Home / 75,178.04-103,695.72-48,354.48

Finding the Fourth Proportional to 75,178.04, 103,695.72 and 48,354.48

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Solution

The fourth proportional to 75,178.04, 103,695.72 and 48,354.48 is: 66,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178.04 : 103,695.72 = 48,354.48 : x
  2. Step 2: Convert to fraction form
    75,178.04/103,695.72 = 48,354.48/x
  3. Step 3: Cross multiply
    75,178.04x = 103,695.72 × 48,354.48
  4. Step 4: Simplify right side
    75,178.04x = 5,014,152,618.83
  5. Step 5: Solve for x
    x = 5,014,152,618.83/75,178.04
  6. Step 6: Final answer
    x = 66,697.04

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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.