Home / 72,814.14-100,451.03-59,440.64

Finding the Fourth Proportional to 72,814.14, 100,451.03 and 59,440.64

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Solution

The fourth proportional to 72,814.14, 100,451.03 and 59,440.64 is: 82,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,814.14 : 100,451.03 = 59,440.64 : x
  2. Step 2: Convert to fraction form
    72,814.14/100,451.03 = 59,440.64/x
  3. Step 3: Cross multiply
    72,814.14x = 100,451.03 × 59,440.64
  4. Step 4: Simplify right side
    72,814.14x = 5,970,872,712.40
  5. Step 5: Solve for x
    x = 5,970,872,712.40/72,814.14
  6. Step 6: Final answer
    x = 82,001.56

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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.