Home / 89,341.40-123,292.66-49,056.86

Finding the Fourth Proportional to 89,341.40, 123,292.66 and 49,056.86

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Solution

The fourth proportional to 89,341.40, 123,292.66 and 49,056.86 is: 67,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341.40 : 123,292.66 = 49,056.86 : x
  2. Step 2: Convert to fraction form
    89,341.40/123,292.66 = 49,056.86/x
  3. Step 3: Cross multiply
    89,341.40x = 123,292.66 × 49,056.86
  4. Step 4: Simplify right side
    89,341.40x = 6,048,350,760.65
  5. Step 5: Solve for x
    x = 6,048,350,760.65/89,341.40
  6. Step 6: Final answer
    x = 67,699.31

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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.