Home / 63,122.48-87,140.60-39,256.85

Finding the Fourth Proportional to 63,122.48, 87,140.60 and 39,256.85

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Solution

The fourth proportional to 63,122.48, 87,140.60 and 39,256.85 is: 54,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.48 : 87,140.60 = 39,256.85 : x
  2. Step 2: Convert to fraction form
    63,122.48/87,140.60 = 39,256.85/x
  3. Step 3: Cross multiply
    63,122.48x = 87,140.60 × 39,256.85
  4. Step 4: Simplify right side
    63,122.48x = 3,420,864,831.12
  5. Step 5: Solve for x
    x = 3,420,864,831.12/63,122.48
  6. Step 6: Final answer
    x = 54,194.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.