Home / 54,637.32-75,414.60-31,981.08

Finding the Fourth Proportional to 54,637.32, 75,414.60 and 31,981.08

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Solution

The fourth proportional to 54,637.32, 75,414.60 and 31,981.08 is: 44,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637.32 : 75,414.60 = 31,981.08 : x
  2. Step 2: Convert to fraction form
    54,637.32/75,414.60 = 31,981.08/x
  3. Step 3: Cross multiply
    54,637.32x = 75,414.60 × 31,981.08
  4. Step 4: Simplify right side
    54,637.32x = 2,411,840,355.77
  5. Step 5: Solve for x
    x = 2,411,840,355.77/54,637.32
  6. Step 6: Final answer
    x = 44,142.73

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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.