Home / 88,299.30-121,851.31-48,012.71

Finding the Fourth Proportional to 88,299.30, 121,851.31 and 48,012.71

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Solution

The fourth proportional to 88,299.30, 121,851.31 and 48,012.71 is: 66,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.30 : 121,851.31 = 48,012.71 : x
  2. Step 2: Convert to fraction form
    88,299.30/121,851.31 = 48,012.71/x
  3. Step 3: Cross multiply
    88,299.30x = 121,851.31 × 48,012.71
  4. Step 4: Simplify right side
    88,299.30x = 5,850,411,610.15
  5. Step 5: Solve for x
    x = 5,850,411,610.15/88,299.30
  6. Step 6: Final answer
    x = 66,256.60

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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.