Home / 91,334.68-126,039.38-51,048.76

Finding the Fourth Proportional to 91,334.68, 126,039.38 and 51,048.76

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Solution

The fourth proportional to 91,334.68, 126,039.38 and 51,048.76 is: 70,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,334.68 : 126,039.38 = 51,048.76 : x
  2. Step 2: Convert to fraction form
    91,334.68/126,039.38 = 51,048.76/x
  3. Step 3: Cross multiply
    91,334.68x = 126,039.38 × 51,048.76
  4. Step 4: Simplify right side
    91,334.68x = 6,434,154,060.17
  5. Step 5: Solve for x
    x = 6,434,154,060.17/91,334.68
  6. Step 6: Final answer
    x = 70,445.90

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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.