Home / 55,445.16-76,514.56-30,294.66

Finding the Fourth Proportional to 55,445.16, 76,514.56 and 30,294.66

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Solution

The fourth proportional to 55,445.16, 76,514.56 and 30,294.66 is: 41,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445.16 : 76,514.56 = 30,294.66 : x
  2. Step 2: Convert to fraction form
    55,445.16/76,514.56 = 30,294.66/x
  3. Step 3: Cross multiply
    55,445.16x = 76,514.56 × 30,294.66
  4. Step 4: Simplify right side
    55,445.16x = 2,317,982,580.25
  5. Step 5: Solve for x
    x = 2,317,982,580.25/55,445.16
  6. Step 6: Final answer
    x = 41,806.76

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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.