Home / 87,748.01-121,092.12-49,507.50

Finding the Fourth Proportional to 87,748.01, 121,092.12 and 49,507.50

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Solution

The fourth proportional to 87,748.01, 121,092.12 and 49,507.50 is: 68,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748.01 : 121,092.12 = 49,507.50 : x
  2. Step 2: Convert to fraction form
    87,748.01/121,092.12 = 49,507.50/x
  3. Step 3: Cross multiply
    87,748.01x = 121,092.12 × 49,507.50
  4. Step 4: Simplify right side
    87,748.01x = 5,994,968,130.90
  5. Step 5: Solve for x
    x = 5,994,968,130.90/87,748.01
  6. Step 6: Final answer
    x = 68,320.28

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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.