Home / 111,337.34-153,655.20-61,046.06

Finding the Fourth Proportional to 111,337.34, 153,655.20 and 61,046.06

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Solution

The fourth proportional to 111,337.34, 153,655.20 and 61,046.06 is: 84,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.34 : 153,655.20 = 61,046.06 : x
  2. Step 2: Convert to fraction form
    111,337.34/153,655.20 = 61,046.06/x
  3. Step 3: Cross multiply
    111,337.34x = 153,655.20 × 61,046.06
  4. Step 4: Simplify right side
    111,337.34x = 9,380,043,790.24
  5. Step 5: Solve for x
    x = 9,380,043,790.24/111,337.34
  6. Step 6: Final answer
    x = 84,248.86

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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.