Home / 92,772.61-128,026.25-50,331.13

Finding the Fourth Proportional to 92,772.61, 128,026.25 and 50,331.13

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Solution

The fourth proportional to 92,772.61, 128,026.25 and 50,331.13 is: 69,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772.61 : 128,026.25 = 50,331.13 : x
  2. Step 2: Convert to fraction form
    92,772.61/128,026.25 = 50,331.13/x
  3. Step 3: Cross multiply
    92,772.61x = 128,026.25 × 50,331.13
  4. Step 4: Simplify right side
    92,772.61x = 6,443,705,832.16
  5. Step 5: Solve for x
    x = 6,443,705,832.16/92,772.61
  6. Step 6: Final answer
    x = 69,456.99

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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.