Home / 81,534.12-112,572.32-50,953.92

Finding the Fourth Proportional to 81,534.12, 112,572.32 and 50,953.92

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Solution

The fourth proportional to 81,534.12, 112,572.32 and 50,953.92 is: 70,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,534.12 : 112,572.32 = 50,953.92 : x
  2. Step 2: Convert to fraction form
    81,534.12/112,572.32 = 50,953.92/x
  3. Step 3: Cross multiply
    81,534.12x = 112,572.32 × 50,953.92
  4. Step 4: Simplify right side
    81,534.12x = 5,736,000,987.49
  5. Step 5: Solve for x
    x = 5,736,000,987.49/81,534.12
  6. Step 6: Final answer
    x = 70,350.93

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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.