Home / 113,411.40-156,506.49-62,423.04

Finding the Fourth Proportional to 113,411.40, 156,506.49 and 62,423.04

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Solution

The fourth proportional to 113,411.40, 156,506.49 and 62,423.04 is: 86,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,411.40 : 156,506.49 = 62,423.04 : x
  2. Step 2: Convert to fraction form
    113,411.40/156,506.49 = 62,423.04/x
  3. Step 3: Cross multiply
    113,411.40x = 156,506.49 × 62,423.04
  4. Step 4: Simplify right side
    113,411.40x = 9,769,610,885.53
  5. Step 5: Solve for x
    x = 9,769,610,885.53/113,411.40
  6. Step 6: Final answer
    x = 86,143.11

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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.