Home / 84,040.18-115,972.07-45,798.91

Finding the Fourth Proportional to 84,040.18, 115,972.07 and 45,798.91

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Solution

The fourth proportional to 84,040.18, 115,972.07 and 45,798.91 is: 63,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,040.18 : 115,972.07 = 45,798.91 : x
  2. Step 2: Convert to fraction form
    84,040.18/115,972.07 = 45,798.91/x
  3. Step 3: Cross multiply
    84,040.18x = 115,972.07 × 45,798.91
  4. Step 4: Simplify right side
    84,040.18x = 5,311,394,484.16
  5. Step 5: Solve for x
    x = 5,311,394,484.16/84,040.18
  6. Step 6: Final answer
    x = 63,200.65

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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.