Home / 72,785.84-100,449.04-44,108.01

Finding the Fourth Proportional to 72,785.84, 100,449.04 and 44,108.01

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Solution

The fourth proportional to 72,785.84, 100,449.04 and 44,108.01 is: 60,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,785.84 : 100,449.04 = 44,108.01 : x
  2. Step 2: Convert to fraction form
    72,785.84/100,449.04 = 44,108.01/x
  3. Step 3: Cross multiply
    72,785.84x = 100,449.04 × 44,108.01
  4. Step 4: Simplify right side
    72,785.84x = 4,430,607,260.81
  5. Step 5: Solve for x
    x = 4,430,607,260.81/72,785.84
  6. Step 6: Final answer
    x = 60,871.83

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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.