Home / 66,066.95-99,115.56-28,633.31

Finding the Fourth Proportional to 66,066.95, 99,115.56 and 28,633.31

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Solution

The fourth proportional to 66,066.95, 99,115.56 and 28,633.31 is: 42,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.95 : 99,115.56 = 28,633.31 : x
  2. Step 2: Convert to fraction form
    66,066.95/99,115.56 = 28,633.31/x
  3. Step 3: Cross multiply
    66,066.95x = 99,115.56 × 28,633.31
  4. Step 4: Simplify right side
    66,066.95x = 2,838,006,555.30
  5. Step 5: Solve for x
    x = 2,838,006,555.30/66,066.95
  6. Step 6: Final answer
    x = 42,956.52

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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.