Home / 63,709.95-87,790.20-49,282.14

Finding the Fourth Proportional to 63,709.95, 87,790.20 and 49,282.14

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Solution

The fourth proportional to 63,709.95, 87,790.20 and 49,282.14 is: 67,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,709.95 : 87,790.20 = 49,282.14 : x
  2. Step 2: Convert to fraction form
    63,709.95/87,790.20 = 49,282.14/x
  3. Step 3: Cross multiply
    63,709.95x = 87,790.20 × 49,282.14
  4. Step 4: Simplify right side
    63,709.95x = 4,326,488,927.03
  5. Step 5: Solve for x
    x = 4,326,488,927.03/63,709.95
  6. Step 6: Final answer
    x = 67,909.16

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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.