Home / 43,325.03-64,987.55-12,159.47

Finding the Fourth Proportional to 43,325.03, 64,987.55 and 12,159.47

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Solution

The fourth proportional to 43,325.03, 64,987.55 and 12,159.47 is: 18,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.03 : 64,987.55 = 12,159.47 : x
  2. Step 2: Convert to fraction form
    43,325.03/64,987.55 = 12,159.47/x
  3. Step 3: Cross multiply
    43,325.03x = 64,987.55 × 12,159.47
  4. Step 4: Simplify right side
    43,325.03x = 790,214,164.60
  5. Step 5: Solve for x
    x = 790,214,164.60/43,325.03
  6. Step 6: Final answer
    x = 18,239.21

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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.