Home / 91,397.64-126,123.51-50,559.33

Finding the Fourth Proportional to 91,397.64, 126,123.51 and 50,559.33

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Solution

The fourth proportional to 91,397.64, 126,123.51 and 50,559.33 is: 69,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397.64 : 126,123.51 = 50,559.33 : x
  2. Step 2: Convert to fraction form
    91,397.64/126,123.51 = 50,559.33/x
  3. Step 3: Cross multiply
    91,397.64x = 126,123.51 × 50,559.33
  4. Step 4: Simplify right side
    91,397.64x = 6,376,720,162.85
  5. Step 5: Solve for x
    x = 6,376,720,162.85/91,397.64
  6. Step 6: Final answer
    x = 69,768.98

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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.