Home / 92,388.15-127,515.45-58,375.05

Finding the Fourth Proportional to 92,388.15, 127,515.45 and 58,375.05

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Solution

The fourth proportional to 92,388.15, 127,515.45 and 58,375.05 is: 80,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,388.15 : 127,515.45 = 58,375.05 : x
  2. Step 2: Convert to fraction form
    92,388.15/127,515.45 = 58,375.05/x
  3. Step 3: Cross multiply
    92,388.15x = 127,515.45 × 58,375.05
  4. Step 4: Simplify right side
    92,388.15x = 7,443,720,769.52
  5. Step 5: Solve for x
    x = 7,443,720,769.52/92,388.15
  6. Step 6: Final answer
    x = 80,570.08

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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.