Home / 85,598.27-128,406.06-29,442.94

Finding the Fourth Proportional to 85,598.27, 128,406.06 and 29,442.94

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Solution

The fourth proportional to 85,598.27, 128,406.06 and 29,442.94 is: 44,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,598.27 : 128,406.06 = 29,442.94 : x
  2. Step 2: Convert to fraction form
    85,598.27/128,406.06 = 29,442.94/x
  3. Step 3: Cross multiply
    85,598.27x = 128,406.06 × 29,442.94
  4. Step 4: Simplify right side
    85,598.27x = 3,780,652,321.49
  5. Step 5: Solve for x
    x = 3,780,652,321.49/85,598.27
  6. Step 6: Final answer
    x = 44,167.39

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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.