Home / 121,892.24-182,666.68-57,782.16

Finding the Fourth Proportional to 121,892.24, 182,666.68 and 57,782.16

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Solution

The fourth proportional to 121,892.24, 182,666.68 and 57,782.16 is: 86,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,892.24 : 182,666.68 = 57,782.16 : x
  2. Step 2: Convert to fraction form
    121,892.24/182,666.68 = 57,782.16/x
  3. Step 3: Cross multiply
    121,892.24x = 182,666.68 × 57,782.16
  4. Step 4: Simplify right side
    121,892.24x = 10,554,875,330.43
  5. Step 5: Solve for x
    x = 10,554,875,330.43/121,892.24
  6. Step 6: Final answer
    x = 86,591.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.