Home / 72,932.95-109,399.38-56,317.24

Finding the Fourth Proportional to 72,932.95, 109,399.38 and 56,317.24

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Solution

The fourth proportional to 72,932.95, 109,399.38 and 56,317.24 is: 84,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.95 : 109,399.38 = 56,317.24 : x
  2. Step 2: Convert to fraction form
    72,932.95/109,399.38 = 56,317.24/x
  3. Step 3: Cross multiply
    72,932.95x = 109,399.38 × 56,317.24
  4. Step 4: Simplify right side
    72,932.95x = 6,161,071,139.31
  5. Step 5: Solve for x
    x = 6,161,071,139.31/72,932.95
  6. Step 6: Final answer
    x = 84,475.83

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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.