Home / 89,632.16-123,690.12-49,345.52

Finding the Fourth Proportional to 89,632.16, 123,690.12 and 49,345.52

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Solution

The fourth proportional to 89,632.16, 123,690.12 and 49,345.52 is: 68,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,632.16 : 123,690.12 = 49,345.52 : x
  2. Step 2: Convert to fraction form
    89,632.16/123,690.12 = 49,345.52/x
  3. Step 3: Cross multiply
    89,632.16x = 123,690.12 × 49,345.52
  4. Step 4: Simplify right side
    89,632.16x = 6,103,553,290.26
  5. Step 5: Solve for x
    x = 6,103,553,290.26/89,632.16
  6. Step 6: Final answer
    x = 68,095.57

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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.