Home / 121,560.55-182,282.47-57,465.32

Finding the Fourth Proportional to 121,560.55, 182,282.47 and 57,465.32

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Solution

The fourth proportional to 121,560.55, 182,282.47 and 57,465.32 is: 86,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,560.55 : 182,282.47 = 57,465.32 : x
  2. Step 2: Convert to fraction form
    121,560.55/182,282.47 = 57,465.32/x
  3. Step 3: Cross multiply
    121,560.55x = 182,282.47 × 57,465.32
  4. Step 4: Simplify right side
    121,560.55x = 10,474,919,413.86
  5. Step 5: Solve for x
    x = 10,474,919,413.86/121,560.55
  6. Step 6: Final answer
    x = 86,170.39

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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.