Home / 84,132.21-116,115.02-53,951.61

Finding the Fourth Proportional to 84,132.21, 116,115.02 and 53,951.61

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Solution

The fourth proportional to 84,132.21, 116,115.02 and 53,951.61 is: 74,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.21 : 116,115.02 = 53,951.61 : x
  2. Step 2: Convert to fraction form
    84,132.21/116,115.02 = 53,951.61/x
  3. Step 3: Cross multiply
    84,132.21x = 116,115.02 × 53,951.61
  4. Step 4: Simplify right side
    84,132.21x = 6,264,592,274.18
  5. Step 5: Solve for x
    x = 6,264,592,274.18/84,132.21
  6. Step 6: Final answer
    x = 74,461.28

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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.