Home / 52,398.28-78,612-29,041.12

Finding the Fourth Proportional to 52,398.28, 78,612 and 29,041.12

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Solution

The fourth proportional to 52,398.28, 78,612 and 29,041.12 is: 43,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398.28 : 78,612 = 29,041.12 : x
  2. Step 2: Convert to fraction form
    52,398.28/78,612 = 29,041.12/x
  3. Step 3: Cross multiply
    52,398.28x = 78,612 × 29,041.12
  4. Step 4: Simplify right side
    52,398.28x = 2,282,980,525.44
  5. Step 5: Solve for x
    x = 2,282,980,525.44/52,398.28
  6. Step 6: Final answer
    x = 43,569.76

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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.