Home / 54,860.28-75,707.55-29,709.78

Finding the Fourth Proportional to 54,860.28, 75,707.55 and 29,709.78

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Solution

The fourth proportional to 54,860.28, 75,707.55 and 29,709.78 is: 40,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.28 : 75,707.55 = 29,709.78 : x
  2. Step 2: Convert to fraction form
    54,860.28/75,707.55 = 29,709.78/x
  3. Step 3: Cross multiply
    54,860.28x = 75,707.55 × 29,709.78
  4. Step 4: Simplify right side
    54,860.28x = 2,249,254,654.84
  5. Step 5: Solve for x
    x = 2,249,254,654.84/54,860.28
  6. Step 6: Final answer
    x = 40,999.69

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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.