Home / 81,172.20-112,007.93-44,868.74

Finding the Fourth Proportional to 81,172.20, 112,007.93 and 44,868.74

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Solution

The fourth proportional to 81,172.20, 112,007.93 and 44,868.74 is: 61,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,172.20 : 112,007.93 = 44,868.74 : x
  2. Step 2: Convert to fraction form
    81,172.20/112,007.93 = 44,868.74/x
  3. Step 3: Cross multiply
    81,172.20x = 112,007.93 × 44,868.74
  4. Step 4: Simplify right side
    81,172.20x = 5,025,654,689.11
  5. Step 5: Solve for x
    x = 5,025,654,689.11/81,172.20
  6. Step 6: Final answer
    x = 61,913.50

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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.