Home / 81,192.47-112,047.97-44,400.85

Finding the Fourth Proportional to 81,192.47, 112,047.97 and 44,400.85

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Solution

The fourth proportional to 81,192.47, 112,047.97 and 44,400.85 is: 61,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,192.47 : 112,047.97 = 44,400.85 : x
  2. Step 2: Convert to fraction form
    81,192.47/112,047.97 = 44,400.85/x
  3. Step 3: Cross multiply
    81,192.47x = 112,047.97 × 44,400.85
  4. Step 4: Simplify right side
    81,192.47x = 4,975,024,717.65
  5. Step 5: Solve for x
    x = 4,975,024,717.65/81,192.47
  6. Step 6: Final answer
    x = 61,274.46

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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.