Home / 90,671.16-125,123.76-50,383.92

Finding the Fourth Proportional to 90,671.16, 125,123.76 and 50,383.92

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Solution

The fourth proportional to 90,671.16, 125,123.76 and 50,383.92 is: 69,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,671.16 : 125,123.76 = 50,383.92 : x
  2. Step 2: Convert to fraction form
    90,671.16/125,123.76 = 50,383.92/x
  3. Step 3: Cross multiply
    90,671.16x = 125,123.76 × 50,383.92
  4. Step 4: Simplify right side
    90,671.16x = 6,304,225,513.94
  5. Step 5: Solve for x
    x = 6,304,225,513.94/90,671.16
  6. Step 6: Final answer
    x = 69,528.45

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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.