Home / 107,154.64-147,873.96-61,834.52

Finding the Fourth Proportional to 107,154.64, 147,873.96 and 61,834.52

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Solution

The fourth proportional to 107,154.64, 147,873.96 and 61,834.52 is: 85,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,154.64 : 147,873.96 = 61,834.52 : x
  2. Step 2: Convert to fraction form
    107,154.64/147,873.96 = 61,834.52/x
  3. Step 3: Cross multiply
    107,154.64x = 147,873.96 × 61,834.52
  4. Step 4: Simplify right side
    107,154.64x = 9,143,715,337.10
  5. Step 5: Solve for x
    x = 9,143,715,337.10/107,154.64
  6. Step 6: Final answer
    x = 85,331.96

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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.