Home / 91,716.20-126,594.60-54,012.32

Finding the Fourth Proportional to 91,716.20, 126,594.60 and 54,012.32

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Solution

The fourth proportional to 91,716.20, 126,594.60 and 54,012.32 is: 74,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.20 : 126,594.60 = 54,012.32 : x
  2. Step 2: Convert to fraction form
    91,716.20/126,594.60 = 54,012.32/x
  3. Step 3: Cross multiply
    91,716.20x = 126,594.60 × 54,012.32
  4. Step 4: Simplify right side
    91,716.20x = 6,837,668,045.47
  5. Step 5: Solve for x
    x = 6,837,668,045.47/91,716.20
  6. Step 6: Final answer
    x = 74,552.46

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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.