Home / 49,894.80-74,741.40-31,117.20

Finding the Fourth Proportional to 49,894.80, 74,741.40 and 31,117.20

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Solution

The fourth proportional to 49,894.80, 74,741.40 and 31,117.20 is: 46,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,894.80 : 74,741.40 = 31,117.20 : x
  2. Step 2: Convert to fraction form
    49,894.80/74,741.40 = 31,117.20/x
  3. Step 3: Cross multiply
    49,894.80x = 74,741.40 × 31,117.20
  4. Step 4: Simplify right side
    49,894.80x = 2,325,743,092.08
  5. Step 5: Solve for x
    x = 2,325,743,092.08/49,894.80
  6. Step 6: Final answer
    x = 46,612.94

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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.