Home / 77,439.51-106,867.49-43,455.29

Finding the Fourth Proportional to 77,439.51, 106,867.49 and 43,455.29

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Solution

The fourth proportional to 77,439.51, 106,867.49 and 43,455.29 is: 59,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.51 : 106,867.49 = 43,455.29 : x
  2. Step 2: Convert to fraction form
    77,439.51/106,867.49 = 43,455.29/x
  3. Step 3: Cross multiply
    77,439.51x = 106,867.49 × 43,455.29
  4. Step 4: Simplify right side
    77,439.51x = 4,643,957,017.91
  5. Step 5: Solve for x
    x = 4,643,957,017.91/77,439.51
  6. Step 6: Final answer
    x = 59,968.83

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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.