Home / 64,800.47-89,425.06-36,121.95

Finding the Fourth Proportional to 64,800.47, 89,425.06 and 36,121.95

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Solution

The fourth proportional to 64,800.47, 89,425.06 and 36,121.95 is: 49,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,800.47 : 89,425.06 = 36,121.95 : x
  2. Step 2: Convert to fraction form
    64,800.47/89,425.06 = 36,121.95/x
  3. Step 3: Cross multiply
    64,800.47x = 89,425.06 × 36,121.95
  4. Step 4: Simplify right side
    64,800.47x = 3,230,207,883.82
  5. Step 5: Solve for x
    x = 3,230,207,883.82/64,800.47
  6. Step 6: Final answer
    x = 49,848.52

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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.