Home / 54,669.72-75,445.76-52,686.84

Finding the Fourth Proportional to 54,669.72, 75,445.76 and 52,686.84

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Solution

The fourth proportional to 54,669.72, 75,445.76 and 52,686.84 is: 72,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.72 : 75,445.76 = 52,686.84 : x
  2. Step 2: Convert to fraction form
    54,669.72/75,445.76 = 52,686.84/x
  3. Step 3: Cross multiply
    54,669.72x = 75,445.76 × 52,686.84
  4. Step 4: Simplify right side
    54,669.72x = 3,974,998,685.80
  5. Step 5: Solve for x
    x = 3,974,998,685.80/54,669.72
  6. Step 6: Final answer
    x = 72,709.33

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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.