Home / 91,627.40-126,453.54-51,340.52

Finding the Fourth Proportional to 91,627.40, 126,453.54 and 51,340.52

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Solution

The fourth proportional to 91,627.40, 126,453.54 and 51,340.52 is: 70,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.40 : 126,453.54 = 51,340.52 : x
  2. Step 2: Convert to fraction form
    91,627.40/126,453.54 = 51,340.52/x
  3. Step 3: Cross multiply
    91,627.40x = 126,453.54 × 51,340.52
  4. Step 4: Simplify right side
    91,627.40x = 6,492,190,499.44
  5. Step 5: Solve for x
    x = 6,492,190,499.44/91,627.40
  6. Step 6: Final answer
    x = 70,854.25

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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.