Home / 75,213.40-112,820.28-30,832.24

Finding the Fourth Proportional to 75,213.40, 112,820.28 and 30,832.24

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Solution

The fourth proportional to 75,213.40, 112,820.28 and 30,832.24 is: 46,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,213.40 : 112,820.28 = 30,832.24 : x
  2. Step 2: Convert to fraction form
    75,213.40/112,820.28 = 30,832.24/x
  3. Step 3: Cross multiply
    75,213.40x = 112,820.28 × 30,832.24
  4. Step 4: Simplify right side
    75,213.40x = 3,478,501,949.83
  5. Step 5: Solve for x
    x = 3,478,501,949.83/75,213.40
  6. Step 6: Final answer
    x = 46,248.43

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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.