Home / 74,515.18-102,822.33-42,682.18

Finding the Fourth Proportional to 74,515.18, 102,822.33 and 42,682.18

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Solution

The fourth proportional to 74,515.18, 102,822.33 and 42,682.18 is: 58,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.18 : 102,822.33 = 42,682.18 : x
  2. Step 2: Convert to fraction form
    74,515.18/102,822.33 = 42,682.18/x
  3. Step 3: Cross multiply
    74,515.18x = 102,822.33 × 42,682.18
  4. Step 4: Simplify right side
    74,515.18x = 4,388,681,197.08
  5. Step 5: Solve for x
    x = 4,388,681,197.08/74,515.18
  6. Step 6: Final answer
    x = 58,896.47

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1.5x scale

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.