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Finding the Fourth Proportional to 46,062.36, 69,002.82 and 42,822.36

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Solution

The fourth proportional to 46,062.36, 69,002.82 and 42,822.36 is: 64,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,062.36 : 69,002.82 = 42,822.36 : x
  2. Step 2: Convert to fraction form
    46,062.36/69,002.82 = 42,822.36/x
  3. Step 3: Cross multiply
    46,062.36x = 69,002.82 × 42,822.36
  4. Step 4: Simplify right side
    46,062.36x = 2,954,863,599.06
  5. Step 5: Solve for x
    x = 2,954,863,599.06/46,062.36
  6. Step 6: Final answer
    x = 64,149.20

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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.