Home / 55,665.20-76,818.60-31,795.04

Finding the Fourth Proportional to 55,665.20, 76,818.60 and 31,795.04

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Solution

The fourth proportional to 55,665.20, 76,818.60 and 31,795.04 is: 43,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665.20 : 76,818.60 = 31,795.04 : x
  2. Step 2: Convert to fraction form
    55,665.20/76,818.60 = 31,795.04/x
  3. Step 3: Cross multiply
    55,665.20x = 76,818.60 × 31,795.04
  4. Step 4: Simplify right side
    55,665.20x = 2,442,450,459.74
  5. Step 5: Solve for x
    x = 2,442,450,459.74/55,665.20
  6. Step 6: Final answer
    x = 43,877.51

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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.