Home / 84,879.48-127,125.45-40,537.47

Finding the Fourth Proportional to 84,879.48, 127,125.45 and 40,537.47

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Solution

The fourth proportional to 84,879.48, 127,125.45 and 40,537.47 is: 60,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,879.48 : 127,125.45 = 40,537.47 : x
  2. Step 2: Convert to fraction form
    84,879.48/127,125.45 = 40,537.47/x
  3. Step 3: Cross multiply
    84,879.48x = 127,125.45 × 40,537.47
  4. Step 4: Simplify right side
    84,879.48x = 5,153,344,115.61
  5. Step 5: Solve for x
    x = 5,153,344,115.61/84,879.48
  6. Step 6: Final answer
    x = 60,713.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.