Home / 65,566.21-90,394.27-42,866.18

Finding the Fourth Proportional to 65,566.21, 90,394.27 and 42,866.18

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Solution

The fourth proportional to 65,566.21, 90,394.27 and 42,866.18 is: 59,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.21 : 90,394.27 = 42,866.18 : x
  2. Step 2: Convert to fraction form
    65,566.21/90,394.27 = 42,866.18/x
  3. Step 3: Cross multiply
    65,566.21x = 90,394.27 × 42,866.18
  4. Step 4: Simplify right side
    65,566.21x = 3,874,857,069.75
  5. Step 5: Solve for x
    x = 3,874,857,069.75/65,566.21
  6. Step 6: Final answer
    x = 59,098.38

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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.