Home / 113,720.29-156,925.65-65,964.44

Finding the Fourth Proportional to 113,720.29, 156,925.65 and 65,964.44

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Solution

The fourth proportional to 113,720.29, 156,925.65 and 65,964.44 is: 91,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,720.29 : 156,925.65 = 65,964.44 : x
  2. Step 2: Convert to fraction form
    113,720.29/156,925.65 = 65,964.44/x
  3. Step 3: Cross multiply
    113,720.29x = 156,925.65 × 65,964.44
  4. Step 4: Simplify right side
    113,720.29x = 10,351,513,263.57
  5. Step 5: Solve for x
    x = 10,351,513,263.57/113,720.29
  6. Step 6: Final answer
    x = 91,026.09

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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.