Home / 85,298.63-127,942.56-33,312.44

Finding the Fourth Proportional to 85,298.63, 127,942.56 and 33,312.44

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Solution

The fourth proportional to 85,298.63, 127,942.56 and 33,312.44 is: 49,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.63 : 127,942.56 = 33,312.44 : x
  2. Step 2: Convert to fraction form
    85,298.63/127,942.56 = 33,312.44/x
  3. Step 3: Cross multiply
    85,298.63x = 127,942.56 × 33,312.44
  4. Step 4: Simplify right side
    85,298.63x = 4,262,079,173.30
  5. Step 5: Solve for x
    x = 4,262,079,173.30/85,298.63
  6. Step 6: Final answer
    x = 49,966.56

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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.