Home / 48,981.01-67,574.40-31,979.83

Finding the Fourth Proportional to 48,981.01, 67,574.40 and 31,979.83

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Solution

The fourth proportional to 48,981.01, 67,574.40 and 31,979.83 is: 44,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981.01 : 67,574.40 = 31,979.83 : x
  2. Step 2: Convert to fraction form
    48,981.01/67,574.40 = 31,979.83/x
  3. Step 3: Cross multiply
    48,981.01x = 67,574.40 × 31,979.83
  4. Step 4: Simplify right side
    48,981.01x = 2,161,017,824.35
  5. Step 5: Solve for x
    x = 2,161,017,824.35/48,981.01
  6. Step 6: Final answer
    x = 44,119.50

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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.