Home / 83,107.60-124,637.10-29,793.40

Finding the Fourth Proportional to 83,107.60, 124,637.10 and 29,793.40

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Solution

The fourth proportional to 83,107.60, 124,637.10 and 29,793.40 is: 44,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,107.60 : 124,637.10 = 29,793.40 : x
  2. Step 2: Convert to fraction form
    83,107.60/124,637.10 = 29,793.40/x
  3. Step 3: Cross multiply
    83,107.60x = 124,637.10 × 29,793.40
  4. Step 4: Simplify right side
    83,107.60x = 3,713,362,975.14
  5. Step 5: Solve for x
    x = 3,713,362,975.14/83,107.60
  6. Step 6: Final answer
    x = 44,681.39

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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.