Home / 91,928.06-126,860.76-51,641.84

Finding the Fourth Proportional to 91,928.06, 126,860.76 and 51,641.84

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Solution

The fourth proportional to 91,928.06, 126,860.76 and 51,641.84 is: 71,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,928.06 : 126,860.76 = 51,641.84 : x
  2. Step 2: Convert to fraction form
    91,928.06/126,860.76 = 51,641.84/x
  3. Step 3: Cross multiply
    91,928.06x = 126,860.76 × 51,641.84
  4. Step 4: Simplify right side
    91,928.06x = 6,551,323,070.20
  5. Step 5: Solve for x
    x = 6,551,323,070.20/91,928.06
  6. Step 6: Final answer
    x = 71,265.76

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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.