Home / 82,112.55-113,160.48-59,413.11

Finding the Fourth Proportional to 82,112.55, 113,160.48 and 59,413.11

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Solution

The fourth proportional to 82,112.55, 113,160.48 and 59,413.11 is: 81,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.55 : 113,160.48 = 59,413.11 : x
  2. Step 2: Convert to fraction form
    82,112.55/113,160.48 = 59,413.11/x
  3. Step 3: Cross multiply
    82,112.55x = 113,160.48 × 59,413.11
  4. Step 4: Simplify right side
    82,112.55x = 6,723,216,045.89
  5. Step 5: Solve for x
    x = 6,723,216,045.89/82,112.55
  6. Step 6: Final answer
    x = 81,878.06

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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.