Home / 68,868.90-103,303.35-47,764.35

Finding the Fourth Proportional to 68,868.90, 103,303.35 and 47,764.35

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Solution

The fourth proportional to 68,868.90, 103,303.35 and 47,764.35 is: 71,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,868.90 : 103,303.35 = 47,764.35 : x
  2. Step 2: Convert to fraction form
    68,868.90/103,303.35 = 47,764.35/x
  3. Step 3: Cross multiply
    68,868.90x = 103,303.35 × 47,764.35
  4. Step 4: Simplify right side
    68,868.90x = 4,934,217,365.57
  5. Step 5: Solve for x
    x = 4,934,217,365.57/68,868.90
  6. Step 6: Final answer
    x = 71,646.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.