Home / 64,413.18-88,890.20-36,118.88

Finding the Fourth Proportional to 64,413.18, 88,890.20 and 36,118.88

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Solution

The fourth proportional to 64,413.18, 88,890.20 and 36,118.88 is: 49,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,413.18 : 88,890.20 = 36,118.88 : x
  2. Step 2: Convert to fraction form
    64,413.18/88,890.20 = 36,118.88/x
  3. Step 3: Cross multiply
    64,413.18x = 88,890.20 × 36,118.88
  4. Step 4: Simplify right side
    64,413.18x = 3,210,614,466.98
  5. Step 5: Solve for x
    x = 3,210,614,466.98/64,413.18
  6. Step 6: Final answer
    x = 49,844.06

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1.5x scale

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.