Home / 91,553.28-126,343.38-51,267.06

Finding the Fourth Proportional to 91,553.28, 126,343.38 and 51,267.06

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Solution

The fourth proportional to 91,553.28, 126,343.38 and 51,267.06 is: 70,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,553.28 : 126,343.38 = 51,267.06 : x
  2. Step 2: Convert to fraction form
    91,553.28/126,343.38 = 51,267.06/x
  3. Step 3: Cross multiply
    91,553.28x = 126,343.38 × 51,267.06
  4. Step 4: Simplify right side
    91,553.28x = 6,477,253,643.06
  5. Step 5: Solve for x
    x = 6,477,253,643.06/91,553.28
  6. Step 6: Final answer
    x = 70,748.46

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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.