Home / 87,407.33-120,518.95-59,825.30

Finding the Fourth Proportional to 87,407.33, 120,518.95 and 59,825.30

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Solution

The fourth proportional to 87,407.33, 120,518.95 and 59,825.30 is: 82,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,407.33 : 120,518.95 = 59,825.30 : x
  2. Step 2: Convert to fraction form
    87,407.33/120,518.95 = 59,825.30/x
  3. Step 3: Cross multiply
    87,407.33x = 120,518.95 × 59,825.30
  4. Step 4: Simplify right side
    87,407.33x = 7,210,082,491.17
  5. Step 5: Solve for x
    x = 7,210,082,491.17/87,407.33
  6. Step 6: Final answer
    x = 82,488.30

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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.