Home / 43,213.36-64,820.08-10,381.36

Finding the Fourth Proportional to 43,213.36, 64,820.08 and 10,381.36

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Solution

The fourth proportional to 43,213.36, 64,820.08 and 10,381.36 is: 15,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.36 : 64,820.08 = 10,381.36 : x
  2. Step 2: Convert to fraction form
    43,213.36/64,820.08 = 10,381.36/x
  3. Step 3: Cross multiply
    43,213.36x = 64,820.08 × 10,381.36
  4. Step 4: Simplify right side
    43,213.36x = 672,920,585.71
  5. Step 5: Solve for x
    x = 672,920,585.71/43,213.36
  6. Step 6: Final answer
    x = 15,572.05

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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.