Home / 99,315.12-148,971.42-24,436.20

Finding the Fourth Proportional to 99,315.12, 148,971.42 and 24,436.20

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Solution

The fourth proportional to 99,315.12, 148,971.42 and 24,436.20 is: 36,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315.12 : 148,971.42 = 24,436.20 : x
  2. Step 2: Convert to fraction form
    99,315.12/148,971.42 = 24,436.20/x
  3. Step 3: Cross multiply
    99,315.12x = 148,971.42 × 24,436.20
  4. Step 4: Simplify right side
    99,315.12x = 3,640,295,413.40
  5. Step 5: Solve for x
    x = 3,640,295,413.40/99,315.12
  6. Step 6: Final answer
    x = 36,653.99

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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.