Home / 43,143.26-64,803.44-28,373.18

Finding the Fourth Proportional to 43,143.26, 64,803.44 and 28,373.18

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Solution

The fourth proportional to 43,143.26, 64,803.44 and 28,373.18 is: 42,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.26 : 64,803.44 = 28,373.18 : x
  2. Step 2: Convert to fraction form
    43,143.26/64,803.44 = 28,373.18/x
  3. Step 3: Cross multiply
    43,143.26x = 64,803.44 × 28,373.18
  4. Step 4: Simplify right side
    43,143.26x = 1,838,679,414.65
  5. Step 5: Solve for x
    x = 1,838,679,414.65/43,143.26
  6. Step 6: Final answer
    x = 42,618.00

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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.