Home / 64,799.09-89,411.90-36,112.47

Finding the Fourth Proportional to 64,799.09, 89,411.90 and 36,112.47

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Solution

The fourth proportional to 64,799.09, 89,411.90 and 36,112.47 is: 49,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,799.09 : 89,411.90 = 36,112.47 : x
  2. Step 2: Convert to fraction form
    64,799.09/89,411.90 = 36,112.47/x
  3. Step 3: Cross multiply
    64,799.09x = 89,411.90 × 36,112.47
  4. Step 4: Simplify right side
    64,799.09x = 3,228,884,556.39
  5. Step 5: Solve for x
    x = 3,228,884,556.39/64,799.09
  6. Step 6: Final answer
    x = 49,829.17

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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.