Home / 55,045.72-75,963.54-29,895.40

Finding the Fourth Proportional to 55,045.72, 75,963.54 and 29,895.40

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Solution

The fourth proportional to 55,045.72, 75,963.54 and 29,895.40 is: 41,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.72 : 75,963.54 = 29,895.40 : x
  2. Step 2: Convert to fraction form
    55,045.72/75,963.54 = 29,895.40/x
  3. Step 3: Cross multiply
    55,045.72x = 75,963.54 × 29,895.40
  4. Step 4: Simplify right side
    55,045.72x = 2,270,960,413.72
  5. Step 5: Solve for x
    x = 2,270,960,413.72/55,045.72
  6. Step 6: Final answer
    x = 41,255.89

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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.