Home / 91,413.90-137,138.04-41,497.50

Finding the Fourth Proportional to 91,413.90, 137,138.04 and 41,497.50

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Solution

The fourth proportional to 91,413.90, 137,138.04 and 41,497.50 is: 62,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.90 : 137,138.04 = 41,497.50 : x
  2. Step 2: Convert to fraction form
    91,413.90/137,138.04 = 41,497.50/x
  3. Step 3: Cross multiply
    91,413.90x = 137,138.04 × 41,497.50
  4. Step 4: Simplify right side
    91,413.90x = 5,690,885,814.90
  5. Step 5: Solve for x
    x = 5,690,885,814.90/91,413.90
  6. Step 6: Final answer
    x = 62,254.05

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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.