Home / 92,319.12-127,400.58-58,388.22

Finding the Fourth Proportional to 92,319.12, 127,400.58 and 58,388.22

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Solution

The fourth proportional to 92,319.12, 127,400.58 and 58,388.22 is: 80,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,319.12 : 127,400.58 = 58,388.22 : x
  2. Step 2: Convert to fraction form
    92,319.12/127,400.58 = 58,388.22/x
  3. Step 3: Cross multiply
    92,319.12x = 127,400.58 × 58,388.22
  4. Step 4: Simplify right side
    92,319.12x = 7,438,693,093.17
  5. Step 5: Solve for x
    x = 7,438,693,093.17/92,319.12
  6. Step 6: Final answer
    x = 80,575.87

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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.