Home / 81,864.50-112,972.22-46,054.70

Finding the Fourth Proportional to 81,864.50, 112,972.22 and 46,054.70

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Solution

The fourth proportional to 81,864.50, 112,972.22 and 46,054.70 is: 63,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,864.50 : 112,972.22 = 46,054.70 : x
  2. Step 2: Convert to fraction form
    81,864.50/112,972.22 = 46,054.70/x
  3. Step 3: Cross multiply
    81,864.50x = 112,972.22 × 46,054.70
  4. Step 4: Simplify right side
    81,864.50x = 5,202,901,700.43
  5. Step 5: Solve for x
    x = 5,202,901,700.43/81,864.50
  6. Step 6: Final answer
    x = 63,555.04

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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.