Home / 64,859.13-89,531.46-55,748.52

Finding the Fourth Proportional to 64,859.13, 89,531.46 and 55,748.52

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Solution

The fourth proportional to 64,859.13, 89,531.46 and 55,748.52 is: 76,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,859.13 : 89,531.46 = 55,748.52 : x
  2. Step 2: Convert to fraction form
    64,859.13/89,531.46 = 55,748.52/x
  3. Step 3: Cross multiply
    64,859.13x = 89,531.46 × 55,748.52
  4. Step 4: Simplify right side
    64,859.13x = 4,991,246,388.44
  5. Step 5: Solve for x
    x = 4,991,246,388.44/64,859.13
  6. Step 6: Final answer
    x = 76,955.19

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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.