Home / 64,823.08-89,447.78-36,135.70

Finding the Fourth Proportional to 64,823.08, 89,447.78 and 36,135.70

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Solution

The fourth proportional to 64,823.08, 89,447.78 and 36,135.70 is: 49,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,823.08 : 89,447.78 = 36,135.70 : x
  2. Step 2: Convert to fraction form
    64,823.08/89,447.78 = 36,135.70/x
  3. Step 3: Cross multiply
    64,823.08x = 89,447.78 × 36,135.70
  4. Step 4: Simplify right side
    64,823.08x = 3,232,258,143.75
  5. Step 5: Solve for x
    x = 3,232,258,143.75/64,823.08
  6. Step 6: Final answer
    x = 49,862.77

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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.