Home / 48,610.50-67,111.65-31,872.66

Finding the Fourth Proportional to 48,610.50, 67,111.65 and 31,872.66

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Solution

The fourth proportional to 48,610.50, 67,111.65 and 31,872.66 is: 44,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,610.50 : 67,111.65 = 31,872.66 : x
  2. Step 2: Convert to fraction form
    48,610.50/67,111.65 = 31,872.66/x
  3. Step 3: Cross multiply
    48,610.50x = 67,111.65 × 31,872.66
  4. Step 4: Simplify right side
    48,610.50x = 2,139,026,802.49
  5. Step 5: Solve for x
    x = 2,139,026,802.49/48,610.50
  6. Step 6: Final answer
    x = 44,003.39

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1.5x scale

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.