Home / 55,984.61-77,255.25-30,834.11

Finding the Fourth Proportional to 55,984.61, 77,255.25 and 30,834.11

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Solution

The fourth proportional to 55,984.61, 77,255.25 and 30,834.11 is: 42,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984.61 : 77,255.25 = 30,834.11 : x
  2. Step 2: Convert to fraction form
    55,984.61/77,255.25 = 30,834.11/x
  3. Step 3: Cross multiply
    55,984.61x = 77,255.25 × 30,834.11
  4. Step 4: Simplify right side
    55,984.61x = 2,382,096,876.58
  5. Step 5: Solve for x
    x = 2,382,096,876.58/55,984.61
  6. Step 6: Final answer
    x = 42,549.14

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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.