Home / 63,413.28-87,551.28-39,549.60

Finding the Fourth Proportional to 63,413.28, 87,551.28 and 39,549.60

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Solution

The fourth proportional to 63,413.28, 87,551.28 and 39,549.60 is: 54,603.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.28 : 87,551.28 = 39,549.60 : x
  2. Step 2: Convert to fraction form
    63,413.28/87,551.28 = 39,549.60/x
  3. Step 3: Cross multiply
    63,413.28x = 87,551.28 × 39,549.60
  4. Step 4: Simplify right side
    63,413.28x = 3,462,618,103.49
  5. Step 5: Solve for x
    x = 3,462,618,103.49/63,413.28
  6. Step 6: Final answer
    x = 54,603.99

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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.