Home / 70,587.03-105,872.40-26,214.69

Finding the Fourth Proportional to 70,587.03, 105,872.40 and 26,214.69

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Solution

The fourth proportional to 70,587.03, 105,872.40 and 26,214.69 is: 39,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.03 : 105,872.40 = 26,214.69 : x
  2. Step 2: Convert to fraction form
    70,587.03/105,872.40 = 26,214.69/x
  3. Step 3: Cross multiply
    70,587.03x = 105,872.40 × 26,214.69
  4. Step 4: Simplify right side
    70,587.03x = 2,775,412,145.56
  5. Step 5: Solve for x
    x = 2,775,412,145.56/70,587.03
  6. Step 6: Final answer
    x = 39,319.01

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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.