Home / 91,348.54-126,077.04-53,119.92

Finding the Fourth Proportional to 91,348.54, 126,077.04 and 53,119.92

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Solution

The fourth proportional to 91,348.54, 126,077.04 and 53,119.92 is: 73,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.54 : 126,077.04 = 53,119.92 : x
  2. Step 2: Convert to fraction form
    91,348.54/126,077.04 = 53,119.92/x
  3. Step 3: Cross multiply
    91,348.54x = 126,077.04 × 53,119.92
  4. Step 4: Simplify right side
    91,348.54x = 6,697,202,278.64
  5. Step 5: Solve for x
    x = 6,697,202,278.64/91,348.54
  6. Step 6: Final answer
    x = 73,314.83

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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.