Home / 85,325.02-127,945.40-26,146.42

Finding the Fourth Proportional to 85,325.02, 127,945.40 and 26,146.42

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Solution

The fourth proportional to 85,325.02, 127,945.40 and 26,146.42 is: 39,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,325.02 : 127,945.40 = 26,146.42 : x
  2. Step 2: Convert to fraction form
    85,325.02/127,945.40 = 26,146.42/x
  3. Step 3: Cross multiply
    85,325.02x = 127,945.40 × 26,146.42
  4. Step 4: Simplify right side
    85,325.02x = 3,345,313,714.87
  5. Step 5: Solve for x
    x = 3,345,313,714.87/85,325.02
  6. Step 6: Final answer
    x = 39,206.72

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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.