Home / 124,569.12-186,678.54-54,301.08

Finding the Fourth Proportional to 124,569.12, 186,678.54 and 54,301.08

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Solution

The fourth proportional to 124,569.12, 186,678.54 and 54,301.08 is: 81,375.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.12 : 186,678.54 = 54,301.08 : x
  2. Step 2: Convert to fraction form
    124,569.12/186,678.54 = 54,301.08/x
  3. Step 3: Cross multiply
    124,569.12x = 186,678.54 × 54,301.08
  4. Step 4: Simplify right side
    124,569.12x = 10,136,846,334.82
  5. Step 5: Solve for x
    x = 10,136,846,334.82/124,569.12
  6. Step 6: Final answer
    x = 81,375.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.