Home / 91,916.29-126,844.55-51,630.08

Finding the Fourth Proportional to 91,916.29, 126,844.55 and 51,630.08

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Solution

The fourth proportional to 91,916.29, 126,844.55 and 51,630.08 is: 71,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,916.29 : 126,844.55 = 51,630.08 : x
  2. Step 2: Convert to fraction form
    91,916.29/126,844.55 = 51,630.08/x
  3. Step 3: Cross multiply
    91,916.29x = 126,844.55 × 51,630.08
  4. Step 4: Simplify right side
    91,916.29x = 6,548,993,565.30
  5. Step 5: Solve for x
    x = 6,548,993,565.30/91,916.29
  6. Step 6: Final answer
    x = 71,249.54

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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.