Home / 43,012.16-64,543.14-18,050

Finding the Fourth Proportional to 43,012.16, 64,543.14 and 18,050

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Solution

The fourth proportional to 43,012.16, 64,543.14 and 18,050 is: 27,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012.16 : 64,543.14 = 18,050 : x
  2. Step 2: Convert to fraction form
    43,012.16/64,543.14 = 18,050/x
  3. Step 3: Cross multiply
    43,012.16x = 64,543.14 × 18,050
  4. Step 4: Simplify right side
    43,012.16x = 1,165,003,677
  5. Step 5: Solve for x
    x = 1,165,003,677/43,012.16
  6. Step 6: Final answer
    x = 27,085.45

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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.