Home / 81,207.10-112,065.06-44,908.54

Finding the Fourth Proportional to 81,207.10, 112,065.06 and 44,908.54

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Solution

The fourth proportional to 81,207.10, 112,065.06 and 44,908.54 is: 61,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,207.10 : 112,065.06 = 44,908.54 : x
  2. Step 2: Convert to fraction form
    81,207.10/112,065.06 = 44,908.54/x
  3. Step 3: Cross multiply
    81,207.10x = 112,065.06 × 44,908.54
  4. Step 4: Simplify right side
    81,207.10x = 5,032,678,229.61
  5. Step 5: Solve for x
    x = 5,032,678,229.61/81,207.10
  6. Step 6: Final answer
    x = 61,973.38

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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.