Home / 92,090.25-138,105-29,746.17

Finding the Fourth Proportional to 92,090.25, 138,105 and 29,746.17

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Solution

The fourth proportional to 92,090.25, 138,105 and 29,746.17 is: 44,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.25 : 138,105 = 29,746.17 : x
  2. Step 2: Convert to fraction form
    92,090.25/138,105 = 29,746.17/x
  3. Step 3: Cross multiply
    92,090.25x = 138,105 × 29,746.17
  4. Step 4: Simplify right side
    92,090.25x = 4,108,094,807.85
  5. Step 5: Solve for x
    x = 4,108,094,807.85/92,090.25
  6. Step 6: Final answer
    x = 44,609.44

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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.