Home / 83,745.04-115,574.60-47,946.32

Finding the Fourth Proportional to 83,745.04, 115,574.60 and 47,946.32

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Solution

The fourth proportional to 83,745.04, 115,574.60 and 47,946.32 is: 66,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,745.04 : 115,574.60 = 47,946.32 : x
  2. Step 2: Convert to fraction form
    83,745.04/115,574.60 = 47,946.32/x
  3. Step 3: Cross multiply
    83,745.04x = 115,574.60 × 47,946.32
  4. Step 4: Simplify right side
    83,745.04x = 5,541,376,755.47
  5. Step 5: Solve for x
    x = 5,541,376,755.47/83,745.04
  6. Step 6: Final answer
    x = 66,169.61

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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.