Home / 83,076.96-124,617.20-29,772.40

Finding the Fourth Proportional to 83,076.96, 124,617.20 and 29,772.40

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Solution

The fourth proportional to 83,076.96, 124,617.20 and 29,772.40 is: 44,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,076.96 : 124,617.20 = 29,772.40 : x
  2. Step 2: Convert to fraction form
    83,076.96/124,617.20 = 29,772.40/x
  3. Step 3: Cross multiply
    83,076.96x = 124,617.20 × 29,772.40
  4. Step 4: Simplify right side
    83,076.96x = 3,710,153,125.28
  5. Step 5: Solve for x
    x = 3,710,153,125.28/83,076.96
  6. Step 6: Final answer
    x = 44,659.23

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1.5x scale

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.