Home / 71,766.96-99,041.10-39,935.16

Finding the Fourth Proportional to 71,766.96, 99,041.10 and 39,935.16

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Solution

The fourth proportional to 71,766.96, 99,041.10 and 39,935.16 is: 55,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,766.96 : 99,041.10 = 39,935.16 : x
  2. Step 2: Convert to fraction form
    71,766.96/99,041.10 = 39,935.16/x
  3. Step 3: Cross multiply
    71,766.96x = 99,041.10 × 39,935.16
  4. Step 4: Simplify right side
    71,766.96x = 3,955,222,175.08
  5. Step 5: Solve for x
    x = 3,955,222,175.08/71,766.96
  6. Step 6: Final answer
    x = 55,112.02

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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.