Home / 83,567.15-115,315.81-45,841.40

Finding the Fourth Proportional to 83,567.15, 115,315.81 and 45,841.40

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Solution

The fourth proportional to 83,567.15, 115,315.81 and 45,841.40 is: 63,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,567.15 : 115,315.81 = 45,841.40 : x
  2. Step 2: Convert to fraction form
    83,567.15/115,315.81 = 45,841.40/x
  3. Step 3: Cross multiply
    83,567.15x = 115,315.81 × 45,841.40
  4. Step 4: Simplify right side
    83,567.15x = 5,286,237,481.35
  5. Step 5: Solve for x
    x = 5,286,237,481.35/83,567.15
  6. Step 6: Final answer
    x = 63,257.37

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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.