Home / 70,589.39-97,413.47-38,760.32

Finding the Fourth Proportional to 70,589.39, 97,413.47 and 38,760.32

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Solution

The fourth proportional to 70,589.39, 97,413.47 and 38,760.32 is: 53,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,589.39 : 97,413.47 = 38,760.32 : x
  2. Step 2: Convert to fraction form
    70,589.39/97,413.47 = 38,760.32/x
  3. Step 3: Cross multiply
    70,589.39x = 97,413.47 × 38,760.32
  4. Step 4: Simplify right side
    70,589.39x = 3,775,777,075.71
  5. Step 5: Solve for x
    x = 3,775,777,075.71/70,589.39
  6. Step 6: Final answer
    x = 53,489.30

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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.