Home / 83,403.10-115,054.98-59,203.95

Finding the Fourth Proportional to 83,403.10, 115,054.98 and 59,203.95

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Solution

The fourth proportional to 83,403.10, 115,054.98 and 59,203.95 is: 81,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,403.10 : 115,054.98 = 59,203.95 : x
  2. Step 2: Convert to fraction form
    83,403.10/115,054.98 = 59,203.95/x
  3. Step 3: Cross multiply
    83,403.10x = 115,054.98 × 59,203.95
  4. Step 4: Simplify right side
    83,403.10x = 6,811,708,962.72
  5. Step 5: Solve for x
    x = 6,811,708,962.72/83,403.10
  6. Step 6: Final answer
    x = 81,672.13

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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.