Home / 98,849.16-136,413.72-54,137.16

Finding the Fourth Proportional to 98,849.16, 136,413.72 and 54,137.16

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Solution

The fourth proportional to 98,849.16, 136,413.72 and 54,137.16 is: 74,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,849.16 : 136,413.72 = 54,137.16 : x
  2. Step 2: Convert to fraction form
    98,849.16/136,413.72 = 54,137.16/x
  3. Step 3: Cross multiply
    98,849.16x = 136,413.72 × 54,137.16
  4. Step 4: Simplify right side
    98,849.16x = 7,385,051,385.84
  5. Step 5: Solve for x
    x = 7,385,051,385.84/98,849.16
  6. Step 6: Final answer
    x = 74,710.31

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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.