Home / 75,413.76-113,018.58-28,641.12

Finding the Fourth Proportional to 75,413.76, 113,018.58 and 28,641.12

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Solution

The fourth proportional to 75,413.76, 113,018.58 and 28,641.12 is: 42,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.76 : 113,018.58 = 28,641.12 : x
  2. Step 2: Convert to fraction form
    75,413.76/113,018.58 = 28,641.12/x
  3. Step 3: Cross multiply
    75,413.76x = 113,018.58 × 28,641.12
  4. Step 4: Simplify right side
    75,413.76x = 3,236,978,712.01
  5. Step 5: Solve for x
    x = 3,236,978,712.01/75,413.76
  6. Step 6: Final answer
    x = 42,922.92

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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.