Home / 96,343.56-132,999.57-72,479.34

Finding the Fourth Proportional to 96,343.56, 132,999.57 and 72,479.34

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Solution

The fourth proportional to 96,343.56, 132,999.57 and 72,479.34 is: 100,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,343.56 : 132,999.57 = 72,479.34 : x
  2. Step 2: Convert to fraction form
    96,343.56/132,999.57 = 72,479.34/x
  3. Step 3: Cross multiply
    96,343.56x = 132,999.57 × 72,479.34
  4. Step 4: Simplify right side
    96,343.56x = 9,639,721,053.88
  5. Step 5: Solve for x
    x = 9,639,721,053.88/96,343.56
  6. Step 6: Final answer
    x = 100,055.69

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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.