Home / 61,146.68-84,310.38-56,612.30

Finding the Fourth Proportional to 61,146.68, 84,310.38 and 56,612.30

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Solution

The fourth proportional to 61,146.68, 84,310.38 and 56,612.30 is: 78,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.68 : 84,310.38 = 56,612.30 : x
  2. Step 2: Convert to fraction form
    61,146.68/84,310.38 = 56,612.30/x
  3. Step 3: Cross multiply
    61,146.68x = 84,310.38 × 56,612.30
  4. Step 4: Simplify right side
    61,146.68x = 4,773,004,104.12
  5. Step 5: Solve for x
    x = 4,773,004,104.12/61,146.68
  6. Step 6: Final answer
    x = 78,058.28

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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.