Home / 64,102.16-88,427.40-40,183.76

Finding the Fourth Proportional to 64,102.16, 88,427.40 and 40,183.76

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Solution

The fourth proportional to 64,102.16, 88,427.40 and 40,183.76 is: 55,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,102.16 : 88,427.40 = 40,183.76 : x
  2. Step 2: Convert to fraction form
    64,102.16/88,427.40 = 40,183.76/x
  3. Step 3: Cross multiply
    64,102.16x = 88,427.40 × 40,183.76
  4. Step 4: Simplify right side
    64,102.16x = 3,553,345,419.02
  5. Step 5: Solve for x
    x = 3,553,345,419.02/64,102.16
  6. Step 6: Final answer
    x = 55,432.54

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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.