Home / 92,769.18-127,974.51-58,720.56

Finding the Fourth Proportional to 92,769.18, 127,974.51 and 58,720.56

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Solution

The fourth proportional to 92,769.18, 127,974.51 and 58,720.56 is: 81,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.18 : 127,974.51 = 58,720.56 : x
  2. Step 2: Convert to fraction form
    92,769.18/127,974.51 = 58,720.56/x
  3. Step 3: Cross multiply
    92,769.18x = 127,974.51 × 58,720.56
  4. Step 4: Simplify right side
    92,769.18x = 7,514,734,892.93
  5. Step 5: Solve for x
    x = 7,514,734,892.93/92,769.18
  6. Step 6: Final answer
    x = 81,004.65

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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.