Home / 58,087.08-87,130.70-38,490.12

Finding the Fourth Proportional to 58,087.08, 87,130.70 and 38,490.12

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Solution

The fourth proportional to 58,087.08, 87,130.70 and 38,490.12 is: 57,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,087.08 : 87,130.70 = 38,490.12 : x
  2. Step 2: Convert to fraction form
    58,087.08/87,130.70 = 38,490.12/x
  3. Step 3: Cross multiply
    58,087.08x = 87,130.70 × 38,490.12
  4. Step 4: Simplify right side
    58,087.08x = 3,353,671,098.68
  5. Step 5: Solve for x
    x = 3,353,671,098.68/58,087.08
  6. Step 6: Final answer
    x = 57,735.23

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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.