Home / 81,276.60-112,173.02-45,469.03

Finding the Fourth Proportional to 81,276.60, 112,173.02 and 45,469.03

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Solution

The fourth proportional to 81,276.60, 112,173.02 and 45,469.03 is: 62,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,276.60 : 112,173.02 = 45,469.03 : x
  2. Step 2: Convert to fraction form
    81,276.60/112,173.02 = 45,469.03/x
  3. Step 3: Cross multiply
    81,276.60x = 112,173.02 × 45,469.03
  4. Step 4: Simplify right side
    81,276.60x = 5,100,398,411.57
  5. Step 5: Solve for x
    x = 5,100,398,411.57/81,276.60
  6. Step 6: Final answer
    x = 62,753.59

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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.