Home / 43,266.08-64,875.96-13,275.04

Finding the Fourth Proportional to 43,266.08, 64,875.96 and 13,275.04

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Solution

The fourth proportional to 43,266.08, 64,875.96 and 13,275.04 is: 19,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,266.08 : 64,875.96 = 13,275.04 : x
  2. Step 2: Convert to fraction form
    43,266.08/64,875.96 = 13,275.04/x
  3. Step 3: Cross multiply
    43,266.08x = 64,875.96 × 13,275.04
  4. Step 4: Simplify right side
    43,266.08x = 861,230,964.04
  5. Step 5: Solve for x
    x = 861,230,964.04/43,266.08
  6. Step 6: Final answer
    x = 19,905.45

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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.