Home / 52,413.66-78,585.84-19,127.52

Finding the Fourth Proportional to 52,413.66, 78,585.84 and 19,127.52

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Solution

The fourth proportional to 52,413.66, 78,585.84 and 19,127.52 is: 28,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.66 : 78,585.84 = 19,127.52 : x
  2. Step 2: Convert to fraction form
    52,413.66/78,585.84 = 19,127.52/x
  3. Step 3: Cross multiply
    52,413.66x = 78,585.84 × 19,127.52
  4. Step 4: Simplify right side
    52,413.66x = 1,503,152,226.32
  5. Step 5: Solve for x
    x = 1,503,152,226.32/52,413.66
  6. Step 6: Final answer
    x = 28,678.64

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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.