Home / 43,165.59-64,746.23-12,001.11

Finding the Fourth Proportional to 43,165.59, 64,746.23 and 12,001.11

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Solution

The fourth proportional to 43,165.59, 64,746.23 and 12,001.11 is: 18,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.59 : 64,746.23 = 12,001.11 : x
  2. Step 2: Convert to fraction form
    43,165.59/64,746.23 = 12,001.11/x
  3. Step 3: Cross multiply
    43,165.59x = 64,746.23 × 12,001.11
  4. Step 4: Simplify right side
    43,165.59x = 777,026,568.31
  5. Step 5: Solve for x
    x = 777,026,568.31/43,165.59
  6. Step 6: Final answer
    x = 18,001.06

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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.