Home / 113,114.51-169,413.35-53,991.69

Finding the Fourth Proportional to 113,114.51, 169,413.35 and 53,991.69

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Solution

The fourth proportional to 113,114.51, 169,413.35 and 53,991.69 is: 80,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,114.51 : 169,413.35 = 53,991.69 : x
  2. Step 2: Convert to fraction form
    113,114.51/169,413.35 = 53,991.69/x
  3. Step 3: Cross multiply
    113,114.51x = 169,413.35 × 53,991.69
  4. Step 4: Simplify right side
    113,114.51x = 9,146,913,845.34
  5. Step 5: Solve for x
    x = 9,146,913,845.34/113,114.51
  6. Step 6: Final answer
    x = 80,864.20

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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.