Home / 66,282.31-99,261.87-50,470.30

Finding the Fourth Proportional to 66,282.31, 99,261.87 and 50,470.30

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Solution

The fourth proportional to 66,282.31, 99,261.87 and 50,470.30 is: 75,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.31 : 99,261.87 = 50,470.30 : x
  2. Step 2: Convert to fraction form
    66,282.31/99,261.87 = 50,470.30/x
  3. Step 3: Cross multiply
    66,282.31x = 99,261.87 × 50,470.30
  4. Step 4: Simplify right side
    66,282.31x = 5,009,776,357.46
  5. Step 5: Solve for x
    x = 5,009,776,357.46/66,282.31
  6. Step 6: Final answer
    x = 75,582.40

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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.