Home / 88,727.74-122,444.56-56,896.76

Finding the Fourth Proportional to 88,727.74, 122,444.56 and 56,896.76

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Solution

The fourth proportional to 88,727.74, 122,444.56 and 56,896.76 is: 78,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.74 : 122,444.56 = 56,896.76 : x
  2. Step 2: Convert to fraction form
    88,727.74/122,444.56 = 56,896.76/x
  3. Step 3: Cross multiply
    88,727.74x = 122,444.56 × 56,896.76
  4. Step 4: Simplify right side
    88,727.74x = 6,966,699,243.76
  5. Step 5: Solve for x
    x = 6,966,699,243.76/88,727.74
  6. Step 6: Final answer
    x = 78,517.71

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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.