Home / 89,953.61-124,136.18-49,667.45

Finding the Fourth Proportional to 89,953.61, 124,136.18 and 49,667.45

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Solution

The fourth proportional to 89,953.61, 124,136.18 and 49,667.45 is: 68,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.61 : 124,136.18 = 49,667.45 : x
  2. Step 2: Convert to fraction form
    89,953.61/124,136.18 = 49,667.45/x
  3. Step 3: Cross multiply
    89,953.61x = 124,136.18 × 49,667.45
  4. Step 4: Simplify right side
    89,953.61x = 6,165,527,265.00
  5. Step 5: Solve for x
    x = 6,165,527,265.00/89,953.61
  6. Step 6: Final answer
    x = 68,541.19

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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.