Home / 64,680.95-89,259.58-36,386.66

Finding the Fourth Proportional to 64,680.95, 89,259.58 and 36,386.66

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Solution

The fourth proportional to 64,680.95, 89,259.58 and 36,386.66 is: 50,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680.95 : 89,259.58 = 36,386.66 : x
  2. Step 2: Convert to fraction form
    64,680.95/89,259.58 = 36,386.66/x
  3. Step 3: Cross multiply
    64,680.95x = 89,259.58 × 36,386.66
  4. Step 4: Simplify right side
    64,680.95x = 3,247,857,989.20
  5. Step 5: Solve for x
    x = 3,247,857,989.20/64,680.95
  6. Step 6: Final answer
    x = 50,213.52

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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.