Home / 105,867.68-158,593.90-61,401.02

Finding the Fourth Proportional to 105,867.68, 158,593.90 and 61,401.02

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Solution

The fourth proportional to 105,867.68, 158,593.90 and 61,401.02 is: 91,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,867.68 : 158,593.90 = 61,401.02 : x
  2. Step 2: Convert to fraction form
    105,867.68/158,593.90 = 61,401.02/x
  3. Step 3: Cross multiply
    105,867.68x = 158,593.90 × 61,401.02
  4. Step 4: Simplify right side
    105,867.68x = 9,737,827,225.78
  5. Step 5: Solve for x
    x = 9,737,827,225.78/105,867.68
  6. Step 6: Final answer
    x = 91,981.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.