Home / 83,746.77-115,573.01-47,948.28

Finding the Fourth Proportional to 83,746.77, 115,573.01 and 47,948.28

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Solution

The fourth proportional to 83,746.77, 115,573.01 and 47,948.28 is: 66,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.77 : 115,573.01 = 47,948.28 : x
  2. Step 2: Convert to fraction form
    83,746.77/115,573.01 = 47,948.28/x
  3. Step 3: Cross multiply
    83,746.77x = 115,573.01 × 47,948.28
  4. Step 4: Simplify right side
    83,746.77x = 5,541,526,804.18
  5. Step 5: Solve for x
    x = 5,541,526,804.18/83,746.77
  6. Step 6: Final answer
    x = 66,170.04

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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.