Home / 57,798.02-86,689.17-15,680.81

Finding the Fourth Proportional to 57,798.02, 86,689.17 and 15,680.81

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Solution

The fourth proportional to 57,798.02, 86,689.17 and 15,680.81 is: 23,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.02 : 86,689.17 = 15,680.81 : x
  2. Step 2: Convert to fraction form
    57,798.02/86,689.17 = 15,680.81/x
  3. Step 3: Cross multiply
    57,798.02x = 86,689.17 × 15,680.81
  4. Step 4: Simplify right side
    57,798.02x = 1,359,356,403.83
  5. Step 5: Solve for x
    x = 1,359,356,403.83/57,798.02
  6. Step 6: Final answer
    x = 23,519.08

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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.