Home / 85,070.28-117,390.94-50,613.10

Finding the Fourth Proportional to 85,070.28, 117,390.94 and 50,613.10

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Solution

The fourth proportional to 85,070.28, 117,390.94 and 50,613.10 is: 69,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.28 : 117,390.94 = 50,613.10 : x
  2. Step 2: Convert to fraction form
    85,070.28/117,390.94 = 50,613.10/x
  3. Step 3: Cross multiply
    85,070.28x = 117,390.94 × 50,613.10
  4. Step 4: Simplify right side
    85,070.28x = 5,941,519,385.31
  5. Step 5: Solve for x
    x = 5,941,519,385.31/85,070.28
  6. Step 6: Final answer
    x = 69,842.48

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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.