Home / 81,264.92-112,155.06-47,274.84

Finding the Fourth Proportional to 81,264.92, 112,155.06 and 47,274.84

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Solution

The fourth proportional to 81,264.92, 112,155.06 and 47,274.84 is: 65,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,264.92 : 112,155.06 = 47,274.84 : x
  2. Step 2: Convert to fraction form
    81,264.92/112,155.06 = 47,274.84/x
  3. Step 3: Cross multiply
    81,264.92x = 112,155.06 × 47,274.84
  4. Step 4: Simplify right side
    81,264.92x = 5,302,111,963.15
  5. Step 5: Solve for x
    x = 5,302,111,963.15/81,264.92
  6. Step 6: Final answer
    x = 65,244.78

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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.