Home / 75,413.84-113,115.69-42,058.85

Finding the Fourth Proportional to 75,413.84, 113,115.69 and 42,058.85

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Solution

The fourth proportional to 75,413.84, 113,115.69 and 42,058.85 is: 63,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.84 : 113,115.69 = 42,058.85 : x
  2. Step 2: Convert to fraction form
    75,413.84/113,115.69 = 42,058.85/x
  3. Step 3: Cross multiply
    75,413.84x = 113,115.69 × 42,058.85
  4. Step 4: Simplify right side
    75,413.84x = 4,757,515,272.78
  5. Step 5: Solve for x
    x = 4,757,515,272.78/75,413.84
  6. Step 6: Final answer
    x = 63,085.44

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1.5x scale

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.