Home / 75,149.51-103,682.85-43,314.08

Finding the Fourth Proportional to 75,149.51, 103,682.85 and 43,314.08

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Solution

The fourth proportional to 75,149.51, 103,682.85 and 43,314.08 is: 59,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.51 : 103,682.85 = 43,314.08 : x
  2. Step 2: Convert to fraction form
    75,149.51/103,682.85 = 43,314.08/x
  3. Step 3: Cross multiply
    75,149.51x = 103,682.85 × 43,314.08
  4. Step 4: Simplify right side
    75,149.51x = 4,490,927,259.53
  5. Step 5: Solve for x
    x = 4,490,927,259.53/75,149.51
  6. Step 6: Final answer
    x = 59,759.90

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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.