Home / 113,355.99-156,432.47-62,369.40

Finding the Fourth Proportional to 113,355.99, 156,432.47 and 62,369.40

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Solution

The fourth proportional to 113,355.99, 156,432.47 and 62,369.40 is: 86,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,355.99 : 156,432.47 = 62,369.40 : x
  2. Step 2: Convert to fraction form
    113,355.99/156,432.47 = 62,369.40/x
  3. Step 3: Cross multiply
    113,355.99x = 156,432.47 × 62,369.40
  4. Step 4: Simplify right side
    113,355.99x = 9,756,598,982.57
  5. Step 5: Solve for x
    x = 9,756,598,982.57/113,355.99
  6. Step 6: Final answer
    x = 86,070.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.