Home / 89,426.06-123,400.74-51,702.74

Finding the Fourth Proportional to 89,426.06, 123,400.74 and 51,702.74

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Solution

The fourth proportional to 89,426.06, 123,400.74 and 51,702.74 is: 71,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,426.06 : 123,400.74 = 51,702.74 : x
  2. Step 2: Convert to fraction form
    89,426.06/123,400.74 = 51,702.74/x
  3. Step 3: Cross multiply
    89,426.06x = 123,400.74 × 51,702.74
  4. Step 4: Simplify right side
    89,426.06x = 6,380,156,376.03
  5. Step 5: Solve for x
    x = 6,380,156,376.03/89,426.06
  6. Step 6: Final answer
    x = 71,345.61

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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.