Home / 55,747.50-76,941.27-31,875.18

Finding the Fourth Proportional to 55,747.50, 76,941.27 and 31,875.18

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Solution

The fourth proportional to 55,747.50, 76,941.27 and 31,875.18 is: 43,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.50 : 76,941.27 = 31,875.18 : x
  2. Step 2: Convert to fraction form
    55,747.50/76,941.27 = 31,875.18/x
  3. Step 3: Cross multiply
    55,747.50x = 76,941.27 × 31,875.18
  4. Step 4: Simplify right side
    55,747.50x = 2,452,516,830.68
  5. Step 5: Solve for x
    x = 2,452,516,830.68/55,747.50
  6. Step 6: Final answer
    x = 43,993.31

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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.