Home / 92,839.68-128,119.04-50,398.24

Finding the Fourth Proportional to 92,839.68, 128,119.04 and 50,398.24

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Solution

The fourth proportional to 92,839.68, 128,119.04 and 50,398.24 is: 69,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,839.68 : 128,119.04 = 50,398.24 : x
  2. Step 2: Convert to fraction form
    92,839.68/128,119.04 = 50,398.24/x
  3. Step 3: Cross multiply
    92,839.68x = 128,119.04 × 50,398.24
  4. Step 4: Simplify right side
    92,839.68x = 6,456,974,126.49
  5. Step 5: Solve for x
    x = 6,456,974,126.49/92,839.68
  6. Step 6: Final answer
    x = 69,549.72

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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.