Home / 54,862.36-75,709.90-29,711.80

Finding the Fourth Proportional to 54,862.36, 75,709.90 and 29,711.80

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Solution

The fourth proportional to 54,862.36, 75,709.90 and 29,711.80 is: 41,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.36 : 75,709.90 = 29,711.80 : x
  2. Step 2: Convert to fraction form
    54,862.36/75,709.90 = 29,711.80/x
  3. Step 3: Cross multiply
    54,862.36x = 75,709.90 × 29,711.80
  4. Step 4: Simplify right side
    54,862.36x = 2,249,477,406.82
  5. Step 5: Solve for x
    x = 2,249,477,406.82/54,862.36
  6. Step 6: Final answer
    x = 41,002.20

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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.