Home / 64,717.72-89,338.01-43,509.29

Finding the Fourth Proportional to 64,717.72, 89,338.01 and 43,509.29

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Solution

The fourth proportional to 64,717.72, 89,338.01 and 43,509.29 is: 60,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.72 : 89,338.01 = 43,509.29 : x
  2. Step 2: Convert to fraction form
    64,717.72/89,338.01 = 43,509.29/x
  3. Step 3: Cross multiply
    64,717.72x = 89,338.01 × 43,509.29
  4. Step 4: Simplify right side
    64,717.72x = 3,887,032,720.88
  5. Step 5: Solve for x
    x = 3,887,032,720.88/64,717.72
  6. Step 6: Final answer
    x = 60,061.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.