Home / 83,420.63-125,143.15-24,248.61

Finding the Fourth Proportional to 83,420.63, 125,143.15 and 24,248.61

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Solution

The fourth proportional to 83,420.63, 125,143.15 and 24,248.61 is: 36,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,420.63 : 125,143.15 = 24,248.61 : x
  2. Step 2: Convert to fraction form
    83,420.63/125,143.15 = 24,248.61/x
  3. Step 3: Cross multiply
    83,420.63x = 125,143.15 × 24,248.61
  4. Step 4: Simplify right side
    83,420.63x = 3,034,547,438.52
  5. Step 5: Solve for x
    x = 3,034,547,438.52/83,420.63
  6. Step 6: Final answer
    x = 36,376.46

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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.