Home / 81,267.66-112,104.22-47,272.32

Finding the Fourth Proportional to 81,267.66, 112,104.22 and 47,272.32

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Solution

The fourth proportional to 81,267.66, 112,104.22 and 47,272.32 is: 65,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267.66 : 112,104.22 = 47,272.32 : x
  2. Step 2: Convert to fraction form
    81,267.66/112,104.22 = 47,272.32/x
  3. Step 3: Cross multiply
    81,267.66x = 112,104.22 × 47,272.32
  4. Step 4: Simplify right side
    81,267.66x = 5,299,426,561.19
  5. Step 5: Solve for x
    x = 5,299,426,561.19/81,267.66
  6. Step 6: Final answer
    x = 65,209.54

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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.