Home / 91,561.86-126,340.77-51,277.32

Finding the Fourth Proportional to 91,561.86, 126,340.77 and 51,277.32

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Solution

The fourth proportional to 91,561.86, 126,340.77 and 51,277.32 is: 70,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561.86 : 126,340.77 = 51,277.32 : x
  2. Step 2: Convert to fraction form
    91,561.86/126,340.77 = 51,277.32/x
  3. Step 3: Cross multiply
    91,561.86x = 126,340.77 × 51,277.32
  4. Step 4: Simplify right side
    91,561.86x = 6,478,416,092.34
  5. Step 5: Solve for x
    x = 6,478,416,092.34/91,561.86
  6. Step 6: Final answer
    x = 70,754.53

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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.