Home / 72,124.68-108,040.14-58,845

Finding the Fourth Proportional to 72,124.68, 108,040.14 and 58,845

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Solution

The fourth proportional to 72,124.68, 108,040.14 and 58,845 is: 88,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,124.68 : 108,040.14 = 58,845 : x
  2. Step 2: Convert to fraction form
    72,124.68/108,040.14 = 58,845/x
  3. Step 3: Cross multiply
    72,124.68x = 108,040.14 × 58,845
  4. Step 4: Simplify right side
    72,124.68x = 6,357,622,038.30
  5. Step 5: Solve for x
    x = 6,357,622,038.30/72,124.68
  6. Step 6: Final answer
    x = 88,147.66

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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.