Home / 64,683.45-89,263.03-36,389.16

Finding the Fourth Proportional to 64,683.45, 89,263.03 and 36,389.16

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Solution

The fourth proportional to 64,683.45, 89,263.03 and 36,389.16 is: 50,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683.45 : 89,263.03 = 36,389.16 : x
  2. Step 2: Convert to fraction form
    64,683.45/89,263.03 = 36,389.16/x
  3. Step 3: Cross multiply
    64,683.45x = 89,263.03 × 36,389.16
  4. Step 4: Simplify right side
    64,683.45x = 3,248,206,680.75
  5. Step 5: Solve for x
    x = 3,248,206,680.75/64,683.45
  6. Step 6: Final answer
    x = 50,216.97

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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.