Home / 64,165.16-88,533.71-40,283.12

Finding the Fourth Proportional to 64,165.16, 88,533.71 and 40,283.12

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Solution

The fourth proportional to 64,165.16, 88,533.71 and 40,283.12 is: 55,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165.16 : 88,533.71 = 40,283.12 : x
  2. Step 2: Convert to fraction form
    64,165.16/88,533.71 = 40,283.12/x
  3. Step 3: Cross multiply
    64,165.16x = 88,533.71 × 40,283.12
  4. Step 4: Simplify right side
    64,165.16x = 3,566,414,234.96
  5. Step 5: Solve for x
    x = 3,566,414,234.96/64,165.16
  6. Step 6: Final answer
    x = 55,581.78

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1.5x scale

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.