Home / 64,689.06-89,263.68-36,394.14

Finding the Fourth Proportional to 64,689.06, 89,263.68 and 36,394.14

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Solution

The fourth proportional to 64,689.06, 89,263.68 and 36,394.14 is: 50,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689.06 : 89,263.68 = 36,394.14 : x
  2. Step 2: Convert to fraction form
    64,689.06/89,263.68 = 36,394.14/x
  3. Step 3: Cross multiply
    64,689.06x = 89,263.68 × 36,394.14
  4. Step 4: Simplify right side
    64,689.06x = 3,248,674,866.84
  5. Step 5: Solve for x
    x = 3,248,674,866.84/64,689.06
  6. Step 6: Final answer
    x = 50,219.85

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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.