Home / 137,070.72-205,627.84-48,351.36

Finding the Fourth Proportional to 137,070.72, 205,627.84 and 48,351.36

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Solution

The fourth proportional to 137,070.72, 205,627.84 and 48,351.36 is: 72,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,070.72 : 205,627.84 = 48,351.36 : x
  2. Step 2: Convert to fraction form
    137,070.72/205,627.84 = 48,351.36/x
  3. Step 3: Cross multiply
    137,070.72x = 205,627.84 × 48,351.36
  4. Step 4: Simplify right side
    137,070.72x = 9,942,385,717.86
  5. Step 5: Solve for x
    x = 9,942,385,717.86/137,070.72
  6. Step 6: Final answer
    x = 72,534.72

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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.