Home / 82,937.40-124,535.70-47,945.40

Finding the Fourth Proportional to 82,937.40, 124,535.70 and 47,945.40

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Solution

The fourth proportional to 82,937.40, 124,535.70 and 47,945.40 is: 71,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.40 : 124,535.70 = 47,945.40 : x
  2. Step 2: Convert to fraction form
    82,937.40/124,535.70 = 47,945.40/x
  3. Step 3: Cross multiply
    82,937.40x = 124,535.70 × 47,945.40
  4. Step 4: Simplify right side
    82,937.40x = 5,970,913,950.78
  5. Step 5: Solve for x
    x = 5,970,913,950.78/82,937.40
  6. Step 6: Final answer
    x = 71,993.02

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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.