Home / 89,330.12-123,276.86-49,047.50

Finding the Fourth Proportional to 89,330.12, 123,276.86 and 49,047.50

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Solution

The fourth proportional to 89,330.12, 123,276.86 and 49,047.50 is: 67,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.12 : 123,276.86 = 49,047.50 : x
  2. Step 2: Convert to fraction form
    89,330.12/123,276.86 = 49,047.50/x
  3. Step 3: Cross multiply
    89,330.12x = 123,276.86 × 49,047.50
  4. Step 4: Simplify right side
    89,330.12x = 6,046,421,790.85
  5. Step 5: Solve for x
    x = 6,046,421,790.85/89,330.12
  6. Step 6: Final answer
    x = 67,686.26

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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.