Home / 91,637.41-137,222.77-60,377.89

Finding the Fourth Proportional to 91,637.41, 137,222.77 and 60,377.89

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Solution

The fourth proportional to 91,637.41, 137,222.77 and 60,377.89 is: 90,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.41 : 137,222.77 = 60,377.89 : x
  2. Step 2: Convert to fraction form
    91,637.41/137,222.77 = 60,377.89/x
  3. Step 3: Cross multiply
    91,637.41x = 137,222.77 × 60,377.89
  4. Step 4: Simplify right side
    91,637.41x = 8,285,221,312.56
  5. Step 5: Solve for x
    x = 8,285,221,312.56/91,637.41
  6. Step 6: Final answer
    x = 90,413.09

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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.