Home / 70,413.50-97,154.86-40,189.16

Finding the Fourth Proportional to 70,413.50, 97,154.86 and 40,189.16

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Solution

The fourth proportional to 70,413.50, 97,154.86 and 40,189.16 is: 55,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.50 : 97,154.86 = 40,189.16 : x
  2. Step 2: Convert to fraction form
    70,413.50/97,154.86 = 40,189.16/x
  3. Step 3: Cross multiply
    70,413.50x = 97,154.86 × 40,189.16
  4. Step 4: Simplify right side
    70,413.50x = 3,904,572,213.32
  5. Step 5: Solve for x
    x = 3,904,572,213.32/70,413.50
  6. Step 6: Final answer
    x = 55,452.04

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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.