Home / 91,424.72-126,138.12-59,582

Finding the Fourth Proportional to 91,424.72, 126,138.12 and 59,582

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Solution

The fourth proportional to 91,424.72, 126,138.12 and 59,582 is: 82,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424.72 : 126,138.12 = 59,582 : x
  2. Step 2: Convert to fraction form
    91,424.72/126,138.12 = 59,582/x
  3. Step 3: Cross multiply
    91,424.72x = 126,138.12 × 59,582
  4. Step 4: Simplify right side
    91,424.72x = 7,515,561,465.84
  5. Step 5: Solve for x
    x = 7,515,561,465.84/91,424.72
  6. Step 6: Final answer
    x = 82,204.92

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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.