Home / 89,895.40-134,632.86-71,048.95

Finding the Fourth Proportional to 89,895.40, 134,632.86 and 71,048.95

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Solution

The fourth proportional to 89,895.40, 134,632.86 and 71,048.95 is: 106,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.40 : 134,632.86 = 71,048.95 : x
  2. Step 2: Convert to fraction form
    89,895.40/134,632.86 = 71,048.95/x
  3. Step 3: Cross multiply
    89,895.40x = 134,632.86 × 71,048.95
  4. Step 4: Simplify right side
    89,895.40x = 9,565,523,338.50
  5. Step 5: Solve for x
    x = 9,565,523,338.50/89,895.40
  6. Step 6: Final answer
    x = 106,407.26

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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.