Home / 81,565.36-112,560.72-47,597.44

Finding the Fourth Proportional to 81,565.36, 112,560.72 and 47,597.44

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Solution

The fourth proportional to 81,565.36, 112,560.72 and 47,597.44 is: 65,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,565.36 : 112,560.72 = 47,597.44 : x
  2. Step 2: Convert to fraction form
    81,565.36/112,560.72 = 47,597.44/x
  3. Step 3: Cross multiply
    81,565.36x = 112,560.72 × 47,597.44
  4. Step 4: Simplify right side
    81,565.36x = 5,357,602,116.56
  5. Step 5: Solve for x
    x = 5,357,602,116.56/81,565.36
  6. Step 6: Final answer
    x = 65,684.77

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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.