Home / 83,341.16-115,010.76-45,615.40

Finding the Fourth Proportional to 83,341.16, 115,010.76 and 45,615.40

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Solution

The fourth proportional to 83,341.16, 115,010.76 and 45,615.40 is: 62,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,341.16 : 115,010.76 = 45,615.40 : x
  2. Step 2: Convert to fraction form
    83,341.16/115,010.76 = 45,615.40/x
  3. Step 3: Cross multiply
    83,341.16x = 115,010.76 × 45,615.40
  4. Step 4: Simplify right side
    83,341.16x = 5,246,261,821.70
  5. Step 5: Solve for x
    x = 5,246,261,821.70/83,341.16
  6. Step 6: Final answer
    x = 62,949.23

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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.