Home / 83,367.33-115,036.10-47,555.20

Finding the Fourth Proportional to 83,367.33, 115,036.10 and 47,555.20

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Solution

The fourth proportional to 83,367.33, 115,036.10 and 47,555.20 is: 65,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,367.33 : 115,036.10 = 47,555.20 : x
  2. Step 2: Convert to fraction form
    83,367.33/115,036.10 = 47,555.20/x
  3. Step 3: Cross multiply
    83,367.33x = 115,036.10 × 47,555.20
  4. Step 4: Simplify right side
    83,367.33x = 5,470,564,827.07
  5. Step 5: Solve for x
    x = 5,470,564,827.07/83,367.33
  6. Step 6: Final answer
    x = 65,620.01

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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.