Home / 64,988.36-89,680.73-36,302.33

Finding the Fourth Proportional to 64,988.36, 89,680.73 and 36,302.33

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Solution

The fourth proportional to 64,988.36, 89,680.73 and 36,302.33 is: 50,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.36 : 89,680.73 = 36,302.33 : x
  2. Step 2: Convert to fraction form
    64,988.36/89,680.73 = 36,302.33/x
  3. Step 3: Cross multiply
    64,988.36x = 89,680.73 × 36,302.33
  4. Step 4: Simplify right side
    64,988.36x = 3,255,619,633.92
  5. Step 5: Solve for x
    x = 3,255,619,633.92/64,988.36
  6. Step 6: Final answer
    x = 50,095.42

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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.