Home / 52,908.08-72,987.12-38,545.56

Finding the Fourth Proportional to 52,908.08, 72,987.12 and 38,545.56

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Solution

The fourth proportional to 52,908.08, 72,987.12 and 38,545.56 is: 53,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908.08 : 72,987.12 = 38,545.56 : x
  2. Step 2: Convert to fraction form
    52,908.08/72,987.12 = 38,545.56/x
  3. Step 3: Cross multiply
    52,908.08x = 72,987.12 × 38,545.56
  4. Step 4: Simplify right side
    52,908.08x = 2,813,329,413.19
  5. Step 5: Solve for x
    x = 2,813,329,413.19/52,908.08
  6. Step 6: Final answer
    x = 53,173.91

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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.