Home / 91,513.32-126,290.52-51,226.08

Finding the Fourth Proportional to 91,513.32, 126,290.52 and 51,226.08

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Solution

The fourth proportional to 91,513.32, 126,290.52 and 51,226.08 is: 70,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,513.32 : 126,290.52 = 51,226.08 : x
  2. Step 2: Convert to fraction form
    91,513.32/126,290.52 = 51,226.08/x
  3. Step 3: Cross multiply
    91,513.32x = 126,290.52 × 51,226.08
  4. Step 4: Simplify right side
    91,513.32x = 6,469,368,280.76
  5. Step 5: Solve for x
    x = 6,469,368,280.76/91,513.32
  6. Step 6: Final answer
    x = 70,693.19

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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.