Home / 101,499.12-140,057.10-58,484.88

Finding the Fourth Proportional to 101,499.12, 140,057.10 and 58,484.88

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Solution

The fourth proportional to 101,499.12, 140,057.10 and 58,484.88 is: 80,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499.12 : 140,057.10 = 58,484.88 : x
  2. Step 2: Convert to fraction form
    101,499.12/140,057.10 = 58,484.88/x
  3. Step 3: Cross multiply
    101,499.12x = 140,057.10 × 58,484.88
  4. Step 4: Simplify right side
    101,499.12x = 8,191,222,686.65
  5. Step 5: Solve for x
    x = 8,191,222,686.65/101,499.12
  6. Step 6: Final answer
    x = 80,702.40

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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.