Home / 87,501.38-120,745.64-49,258.95

Finding the Fourth Proportional to 87,501.38, 120,745.64 and 49,258.95

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Solution

The fourth proportional to 87,501.38, 120,745.64 and 49,258.95 is: 67,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,501.38 : 120,745.64 = 49,258.95 : x
  2. Step 2: Convert to fraction form
    87,501.38/120,745.64 = 49,258.95/x
  3. Step 3: Cross multiply
    87,501.38x = 120,745.64 × 49,258.95
  4. Step 4: Simplify right side
    87,501.38x = 5,947,803,566.63
  5. Step 5: Solve for x
    x = 5,947,803,566.63/87,501.38
  6. Step 6: Final answer
    x = 67,973.82

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1.5x scale

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.