Home / 102,062.18-153,040.80-45,854.12

Finding the Fourth Proportional to 102,062.18, 153,040.80 and 45,854.12

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Solution

The fourth proportional to 102,062.18, 153,040.80 and 45,854.12 is: 68,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,062.18 : 153,040.80 = 45,854.12 : x
  2. Step 2: Convert to fraction form
    102,062.18/153,040.80 = 45,854.12/x
  3. Step 3: Cross multiply
    102,062.18x = 153,040.80 × 45,854.12
  4. Step 4: Simplify right side
    102,062.18x = 7,017,551,208.10
  5. Step 5: Solve for x
    x = 7,017,551,208.10/102,062.18
  6. Step 6: Final answer
    x = 68,757.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.