Home / 72,120.18-108,033.39-58,840.50

Finding the Fourth Proportional to 72,120.18, 108,033.39 and 58,840.50

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Solution

The fourth proportional to 72,120.18, 108,033.39 and 58,840.50 is: 88,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,120.18 : 108,033.39 = 58,840.50 : x
  2. Step 2: Convert to fraction form
    72,120.18/108,033.39 = 58,840.50/x
  3. Step 3: Cross multiply
    72,120.18x = 108,033.39 × 58,840.50
  4. Step 4: Simplify right side
    72,120.18x = 6,356,738,684.30
  5. Step 5: Solve for x
    x = 6,356,738,684.30/72,120.18
  6. Step 6: Final answer
    x = 88,140.92

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1.5x scale

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.