Home / 91,327.86-126,029.88-51,041.76

Finding the Fourth Proportional to 91,327.86, 126,029.88 and 51,041.76

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Solution

The fourth proportional to 91,327.86, 126,029.88 and 51,041.76 is: 70,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,327.86 : 126,029.88 = 51,041.76 : x
  2. Step 2: Convert to fraction form
    91,327.86/126,029.88 = 51,041.76/x
  3. Step 3: Cross multiply
    91,327.86x = 126,029.88 × 51,041.76
  4. Step 4: Simplify right side
    91,327.86x = 6,432,786,887.79
  5. Step 5: Solve for x
    x = 6,432,786,887.79/91,327.86
  6. Step 6: Final answer
    x = 70,436.19

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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.