Home / 89,953.50-124,140.70-49,667.14

Finding the Fourth Proportional to 89,953.50, 124,140.70 and 49,667.14

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Solution

The fourth proportional to 89,953.50, 124,140.70 and 49,667.14 is: 68,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.50 : 124,140.70 = 49,667.14 : x
  2. Step 2: Convert to fraction form
    89,953.50/124,140.70 = 49,667.14/x
  3. Step 3: Cross multiply
    89,953.50x = 124,140.70 × 49,667.14
  4. Step 4: Simplify right side
    89,953.50x = 6,165,713,743.86
  5. Step 5: Solve for x
    x = 6,165,713,743.86/89,953.50
  6. Step 6: Final answer
    x = 68,543.34

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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.