Home / 48,894.09-67,474.80-31,909.20

Finding the Fourth Proportional to 48,894.09, 67,474.80 and 31,909.20

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Solution

The fourth proportional to 48,894.09, 67,474.80 and 31,909.20 is: 44,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,894.09 : 67,474.80 = 31,909.20 : x
  2. Step 2: Convert to fraction form
    48,894.09/67,474.80 = 31,909.20/x
  3. Step 3: Cross multiply
    48,894.09x = 67,474.80 × 31,909.20
  4. Step 4: Simplify right side
    48,894.09x = 2,153,066,888.16
  5. Step 5: Solve for x
    x = 2,153,066,888.16/48,894.09
  6. Step 6: Final answer
    x = 44,035.32

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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.