Home / 93,665.27-129,218.87-61,407.63

Finding the Fourth Proportional to 93,665.27, 129,218.87 and 61,407.63

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Solution

The fourth proportional to 93,665.27, 129,218.87 and 61,407.63 is: 84,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,665.27 : 129,218.87 = 61,407.63 : x
  2. Step 2: Convert to fraction form
    93,665.27/129,218.87 = 61,407.63/x
  3. Step 3: Cross multiply
    93,665.27x = 129,218.87 × 61,407.63
  4. Step 4: Simplify right side
    93,665.27x = 7,935,024,250.94
  5. Step 5: Solve for x
    x = 7,935,024,250.94/93,665.27
  6. Step 6: Final answer
    x = 84,716.83

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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.