Home / 69,437.12-103,950.88-43,056.96

Finding the Fourth Proportional to 69,437.12, 103,950.88 and 43,056.96

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Solution

The fourth proportional to 69,437.12, 103,950.88 and 43,056.96 is: 64,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.12 : 103,950.88 = 43,056.96 : x
  2. Step 2: Convert to fraction form
    69,437.12/103,950.88 = 43,056.96/x
  3. Step 3: Cross multiply
    69,437.12x = 103,950.88 × 43,056.96
  4. Step 4: Simplify right side
    69,437.12x = 4,475,808,882.12
  5. Step 5: Solve for x
    x = 4,475,808,882.12/69,437.12
  6. Step 6: Final answer
    x = 64,458.45

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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.