Home / 43,032.12-64,548-11,445.36

Finding the Fourth Proportional to 43,032.12, 64,548 and 11,445.36

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Solution

The fourth proportional to 43,032.12, 64,548 and 11,445.36 is: 17,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,032.12 : 64,548 = 11,445.36 : x
  2. Step 2: Convert to fraction form
    43,032.12/64,548 = 11,445.36/x
  3. Step 3: Cross multiply
    43,032.12x = 64,548 × 11,445.36
  4. Step 4: Simplify right side
    43,032.12x = 738,775,097.28
  5. Step 5: Solve for x
    x = 738,775,097.28/43,032.12
  6. Step 6: Final answer
    x = 17,167.99

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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.