Home / 77,125.04-106,443.96-48,833.36

Finding the Fourth Proportional to 77,125.04, 106,443.96 and 48,833.36

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Solution

The fourth proportional to 77,125.04, 106,443.96 and 48,833.36 is: 67,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,125.04 : 106,443.96 = 48,833.36 : x
  2. Step 2: Convert to fraction form
    77,125.04/106,443.96 = 48,833.36/x
  3. Step 3: Cross multiply
    77,125.04x = 106,443.96 × 48,833.36
  4. Step 4: Simplify right side
    77,125.04x = 5,198,016,218.51
  5. Step 5: Solve for x
    x = 5,198,016,218.51/77,125.04
  6. Step 6: Final answer
    x = 67,397.26

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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.