Home / 70,589.14-97,413.12-38,760.07

Finding the Fourth Proportional to 70,589.14, 97,413.12 and 38,760.07

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Solution

The fourth proportional to 70,589.14, 97,413.12 and 38,760.07 is: 53,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589.14 : 97,413.12 = 38,760.07 : x
  2. Step 2: Convert to fraction form
    70,589.14/97,413.12 = 38,760.07/x
  3. Step 3: Cross multiply
    70,589.14x = 97,413.12 × 38,760.07
  4. Step 4: Simplify right side
    70,589.14x = 3,775,739,350.12
  5. Step 5: Solve for x
    x = 3,775,739,350.12/70,589.14
  6. Step 6: Final answer
    x = 53,488.96

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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.