Home / 98,413.24-147,643.29-31,853.38

Finding the Fourth Proportional to 98,413.24, 147,643.29 and 31,853.38

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Solution

The fourth proportional to 98,413.24, 147,643.29 and 31,853.38 is: 47,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.24 : 147,643.29 = 31,853.38 : x
  2. Step 2: Convert to fraction form
    98,413.24/147,643.29 = 31,853.38/x
  3. Step 3: Cross multiply
    98,413.24x = 147,643.29 × 31,853.38
  4. Step 4: Simplify right side
    98,413.24x = 4,702,937,451.71
  5. Step 5: Solve for x
    x = 4,702,937,451.71/98,413.24
  6. Step 6: Final answer
    x = 47,787.65

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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.