Home / 81,268.17-112,104.93-47,272.83

Finding the Fourth Proportional to 81,268.17, 112,104.93 and 47,272.83

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Solution

The fourth proportional to 81,268.17, 112,104.93 and 47,272.83 is: 65,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,268.17 : 112,104.93 = 47,272.83 : x
  2. Step 2: Convert to fraction form
    81,268.17/112,104.93 = 47,272.83/x
  3. Step 3: Cross multiply
    81,268.17x = 112,104.93 × 47,272.83
  4. Step 4: Simplify right side
    81,268.17x = 5,299,517,298.05
  5. Step 5: Solve for x
    x = 5,299,517,298.05/81,268.17
  6. Step 6: Final answer
    x = 65,210.25

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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.