Home / 85,059.36-127,552.20-25,881.30

Finding the Fourth Proportional to 85,059.36, 127,552.20 and 25,881.30

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Solution

The fourth proportional to 85,059.36, 127,552.20 and 25,881.30 is: 38,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059.36 : 127,552.20 = 25,881.30 : x
  2. Step 2: Convert to fraction form
    85,059.36/127,552.20 = 25,881.30/x
  3. Step 3: Cross multiply
    85,059.36x = 127,552.20 × 25,881.30
  4. Step 4: Simplify right side
    85,059.36x = 3,301,216,753.86
  5. Step 5: Solve for x
    x = 3,301,216,753.86/85,059.36
  6. Step 6: Final answer
    x = 38,810.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.