Home / 90,818.82-125,330.58-50,534.28

Finding the Fourth Proportional to 90,818.82, 125,330.58 and 50,534.28

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Solution

The fourth proportional to 90,818.82, 125,330.58 and 50,534.28 is: 69,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,818.82 : 125,330.58 = 50,534.28 : x
  2. Step 2: Convert to fraction form
    90,818.82/125,330.58 = 50,534.28/x
  3. Step 3: Cross multiply
    90,818.82x = 125,330.58 × 50,534.28
  4. Step 4: Simplify right side
    90,818.82x = 6,333,490,622.28
  5. Step 5: Solve for x
    x = 6,333,490,622.28/90,818.82
  6. Step 6: Final answer
    x = 69,737.64

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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.