Home / 83,845.29-115,707.23-45,605.15

Finding the Fourth Proportional to 83,845.29, 115,707.23 and 45,605.15

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Solution

The fourth proportional to 83,845.29, 115,707.23 and 45,605.15 is: 62,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,845.29 : 115,707.23 = 45,605.15 : x
  2. Step 2: Convert to fraction form
    83,845.29/115,707.23 = 45,605.15/x
  3. Step 3: Cross multiply
    83,845.29x = 115,707.23 × 45,605.15
  4. Step 4: Simplify right side
    83,845.29x = 5,276,844,773.67
  5. Step 5: Solve for x
    x = 5,276,844,773.67/83,845.29
  6. Step 6: Final answer
    x = 62,935.49

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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.