Home / 43,135.18-64,713.50-34,283.90

Finding the Fourth Proportional to 43,135.18, 64,713.50 and 34,283.90

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Solution

The fourth proportional to 43,135.18, 64,713.50 and 34,283.90 is: 51,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.18 : 64,713.50 = 34,283.90 : x
  2. Step 2: Convert to fraction form
    43,135.18/64,713.50 = 34,283.90/x
  3. Step 3: Cross multiply
    43,135.18x = 64,713.50 × 34,283.90
  4. Step 4: Simplify right side
    43,135.18x = 2,218,631,162.65
  5. Step 5: Solve for x
    x = 2,218,631,162.65/43,135.18
  6. Step 6: Final answer
    x = 51,434.38

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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.