Home / 93,991.85-129,718.22-53,711.56

Finding the Fourth Proportional to 93,991.85, 129,718.22 and 53,711.56

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Solution

The fourth proportional to 93,991.85, 129,718.22 and 53,711.56 is: 74,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,991.85 : 129,718.22 = 53,711.56 : x
  2. Step 2: Convert to fraction form
    93,991.85/129,718.22 = 53,711.56/x
  3. Step 3: Cross multiply
    93,991.85x = 129,718.22 × 53,711.56
  4. Step 4: Simplify right side
    93,991.85x = 6,967,367,956.62
  5. Step 5: Solve for x
    x = 6,967,367,956.62/93,991.85
  6. Step 6: Final answer
    x = 74,127.36

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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.