Home / 89,413.65-123,401.57-53,623.35

Finding the Fourth Proportional to 89,413.65, 123,401.57 and 53,623.35

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Solution

The fourth proportional to 89,413.65, 123,401.57 and 53,623.35 is: 74,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,413.65 : 123,401.57 = 53,623.35 : x
  2. Step 2: Convert to fraction form
    89,413.65/123,401.57 = 53,623.35/x
  3. Step 3: Cross multiply
    89,413.65x = 123,401.57 × 53,623.35
  4. Step 4: Simplify right side
    89,413.65x = 6,617,205,310.54
  5. Step 5: Solve for x
    x = 6,617,205,310.54/89,413.65
  6. Step 6: Final answer
    x = 74,006.66

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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.