Home / 58,158.06-87,237.09-18,718.26

Finding the Fourth Proportional to 58,158.06, 87,237.09 and 18,718.26

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Solution

The fourth proportional to 58,158.06, 87,237.09 and 18,718.26 is: 28,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,158.06 : 87,237.09 = 18,718.26 : x
  2. Step 2: Convert to fraction form
    58,158.06/87,237.09 = 18,718.26/x
  3. Step 3: Cross multiply
    58,158.06x = 87,237.09 × 18,718.26
  4. Step 4: Simplify right side
    58,158.06x = 1,632,926,532.26
  5. Step 5: Solve for x
    x = 1,632,926,532.26/58,158.06
  6. Step 6: Final answer
    x = 28,077.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.