Home / 71,628.06-98,863.02-47,429.94

Finding the Fourth Proportional to 71,628.06, 98,863.02 and 47,429.94

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Solution

The fourth proportional to 71,628.06, 98,863.02 and 47,429.94 is: 65,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.06 : 98,863.02 = 47,429.94 : x
  2. Step 2: Convert to fraction form
    71,628.06/98,863.02 = 47,429.94/x
  3. Step 3: Cross multiply
    71,628.06x = 98,863.02 × 47,429.94
  4. Step 4: Simplify right side
    71,628.06x = 4,689,067,106.82
  5. Step 5: Solve for x
    x = 4,689,067,106.82/71,628.06
  6. Step 6: Final answer
    x = 65,464.11

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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.