Home / 91,733.15-126,593.07-68,722.20

Finding the Fourth Proportional to 91,733.15, 126,593.07 and 68,722.20

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Solution

The fourth proportional to 91,733.15, 126,593.07 and 68,722.20 is: 94,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.15 : 126,593.07 = 68,722.20 : x
  2. Step 2: Convert to fraction form
    91,733.15/126,593.07 = 68,722.20/x
  3. Step 3: Cross multiply
    91,733.15x = 126,593.07 × 68,722.20
  4. Step 4: Simplify right side
    91,733.15x = 8,699,754,800.74
  5. Step 5: Solve for x
    x = 8,699,754,800.74/91,733.15
  6. Step 6: Final answer
    x = 94,837.64

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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.