Home / 85,922.24-128,730.90-35,892.26

Finding the Fourth Proportional to 85,922.24, 128,730.90 and 35,892.26

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Solution

The fourth proportional to 85,922.24, 128,730.90 and 35,892.26 is: 53,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,922.24 : 128,730.90 = 35,892.26 : x
  2. Step 2: Convert to fraction form
    85,922.24/128,730.90 = 35,892.26/x
  3. Step 3: Cross multiply
    85,922.24x = 128,730.90 × 35,892.26
  4. Step 4: Simplify right side
    85,922.24x = 4,620,442,932.83
  5. Step 5: Solve for x
    x = 4,620,442,932.83/85,922.24
  6. Step 6: Final answer
    x = 53,774.70

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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.