Home / 42,415.10-63,695.55-41,102.90

Finding the Fourth Proportional to 42,415.10, 63,695.55 and 41,102.90

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Solution

The fourth proportional to 42,415.10, 63,695.55 and 41,102.90 is: 61,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,415.10 : 63,695.55 = 41,102.90 : x
  2. Step 2: Convert to fraction form
    42,415.10/63,695.55 = 41,102.90/x
  3. Step 3: Cross multiply
    42,415.10x = 63,695.55 × 41,102.90
  4. Step 4: Simplify right side
    42,415.10x = 2,618,071,822.10
  5. Step 5: Solve for x
    x = 2,618,071,822.10/42,415.10
  6. Step 6: Final answer
    x = 61,724.99

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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.