Home / 72,484.22-100,029.33-43,799.87

Finding the Fourth Proportional to 72,484.22, 100,029.33 and 43,799.87

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Solution

The fourth proportional to 72,484.22, 100,029.33 and 43,799.87 is: 60,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,484.22 : 100,029.33 = 43,799.87 : x
  2. Step 2: Convert to fraction form
    72,484.22/100,029.33 = 43,799.87/x
  3. Step 3: Cross multiply
    72,484.22x = 100,029.33 × 43,799.87
  4. Step 4: Simplify right side
    72,484.22x = 4,381,271,150.04
  5. Step 5: Solve for x
    x = 4,381,271,150.04/72,484.22
  6. Step 6: Final answer
    x = 60,444.49

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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.