Home / 91,360.68-126,077.22-51,074.52

Finding the Fourth Proportional to 91,360.68, 126,077.22 and 51,074.52

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Solution

The fourth proportional to 91,360.68, 126,077.22 and 51,074.52 is: 70,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,360.68 : 126,077.22 = 51,074.52 : x
  2. Step 2: Convert to fraction form
    91,360.68/126,077.22 = 51,074.52/x
  3. Step 3: Cross multiply
    91,360.68x = 126,077.22 × 51,074.52
  4. Step 4: Simplify right side
    91,360.68x = 6,439,333,494.43
  5. Step 5: Solve for x
    x = 6,439,333,494.43/91,360.68
  6. Step 6: Final answer
    x = 70,482.55

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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.