Home / 42,705.12-63,964.08-35,225.28

Finding the Fourth Proportional to 42,705.12, 63,964.08 and 35,225.28

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Solution

The fourth proportional to 42,705.12, 63,964.08 and 35,225.28 is: 52,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705.12 : 63,964.08 = 35,225.28 : x
  2. Step 2: Convert to fraction form
    42,705.12/63,964.08 = 35,225.28/x
  3. Step 3: Cross multiply
    42,705.12x = 63,964.08 × 35,225.28
  4. Step 4: Simplify right side
    42,705.12x = 2,253,152,627.94
  5. Step 5: Solve for x
    x = 2,253,152,627.94/42,705.12
  6. Step 6: Final answer
    x = 52,760.71

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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.