Home / 87,023.51-120,094.89-49,297.76

Finding the Fourth Proportional to 87,023.51, 120,094.89 and 49,297.76

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Solution

The fourth proportional to 87,023.51, 120,094.89 and 49,297.76 is: 68,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,023.51 : 120,094.89 = 49,297.76 : x
  2. Step 2: Convert to fraction form
    87,023.51/120,094.89 = 49,297.76/x
  3. Step 3: Cross multiply
    87,023.51x = 120,094.89 × 49,297.76
  4. Step 4: Simplify right side
    87,023.51x = 5,920,409,064.45
  5. Step 5: Solve for x
    x = 5,920,409,064.45/87,023.51
  6. Step 6: Final answer
    x = 68,032.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.