Home / 58,161.01-87,241.56-18,718.11

Finding the Fourth Proportional to 58,161.01, 87,241.56 and 18,718.11

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Solution

The fourth proportional to 58,161.01, 87,241.56 and 18,718.11 is: 28,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,161.01 : 87,241.56 = 18,718.11 : x
  2. Step 2: Convert to fraction form
    58,161.01/87,241.56 = 18,718.11/x
  3. Step 3: Cross multiply
    58,161.01x = 87,241.56 × 18,718.11
  4. Step 4: Simplify right side
    58,161.01x = 1,632,997,116.65
  5. Step 5: Solve for x
    x = 1,632,997,116.65/58,161.01
  6. Step 6: Final answer
    x = 28,077.18

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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.