Home / 56,202.28-77,413.76-39,176.16

Finding the Fourth Proportional to 56,202.28, 77,413.76 and 39,176.16

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Solution

The fourth proportional to 56,202.28, 77,413.76 and 39,176.16 is: 53,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,202.28 : 77,413.76 = 39,176.16 : x
  2. Step 2: Convert to fraction form
    56,202.28/77,413.76 = 39,176.16/x
  3. Step 3: Cross multiply
    56,202.28x = 77,413.76 × 39,176.16
  4. Step 4: Simplify right side
    56,202.28x = 3,032,773,847.96
  5. Step 5: Solve for x
    x = 3,032,773,847.96/56,202.28
  6. Step 6: Final answer
    x = 53,961.76

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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.