Home / 85,097.44-127,646.32-35,122.72

Finding the Fourth Proportional to 85,097.44, 127,646.32 and 35,122.72

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Solution

The fourth proportional to 85,097.44, 127,646.32 and 35,122.72 is: 52,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.44 : 127,646.32 = 35,122.72 : x
  2. Step 2: Convert to fraction form
    85,097.44/127,646.32 = 35,122.72/x
  3. Step 3: Cross multiply
    85,097.44x = 127,646.32 × 35,122.72
  4. Step 4: Simplify right side
    85,097.44x = 4,483,285,956.39
  5. Step 5: Solve for x
    x = 4,483,285,956.39/85,097.44
  6. Step 6: Final answer
    x = 52,684.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.