Home / 75,159.04-103,683.20-49,675.36

Finding the Fourth Proportional to 75,159.04, 103,683.20 and 49,675.36

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Solution

The fourth proportional to 75,159.04, 103,683.20 and 49,675.36 is: 68,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.04 : 103,683.20 = 49,675.36 : x
  2. Step 2: Convert to fraction form
    75,159.04/103,683.20 = 49,675.36/x
  3. Step 3: Cross multiply
    75,159.04x = 103,683.20 × 49,675.36
  4. Step 4: Simplify right side
    75,159.04x = 5,150,500,285.95
  5. Step 5: Solve for x
    x = 5,150,500,285.95/75,159.04
  6. Step 6: Final answer
    x = 68,528.02

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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.