Home / 54,465.24-75,159.54-31,805.40

Finding the Fourth Proportional to 54,465.24, 75,159.54 and 31,805.40

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Solution

The fourth proportional to 54,465.24, 75,159.54 and 31,805.40 is: 43,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,465.24 : 75,159.54 = 31,805.40 : x
  2. Step 2: Convert to fraction form
    54,465.24/75,159.54 = 31,805.40/x
  3. Step 3: Cross multiply
    54,465.24x = 75,159.54 × 31,805.40
  4. Step 4: Simplify right side
    54,465.24x = 2,390,479,233.52
  5. Step 5: Solve for x
    x = 2,390,479,233.52/54,465.24
  6. Step 6: Final answer
    x = 43,890.00

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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.