Home / 72,815.14-100,452.40-59,441.64

Finding the Fourth Proportional to 72,815.14, 100,452.40 and 59,441.64

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Solution

The fourth proportional to 72,815.14, 100,452.40 and 59,441.64 is: 82,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,815.14 : 100,452.40 = 59,441.64 : x
  2. Step 2: Convert to fraction form
    72,815.14/100,452.40 = 59,441.64/x
  3. Step 3: Cross multiply
    72,815.14x = 100,452.40 × 59,441.64
  4. Step 4: Simplify right side
    72,815.14x = 5,971,055,397.94
  5. Step 5: Solve for x
    x = 5,971,055,397.94/72,815.14
  6. Step 6: Final answer
    x = 82,002.94

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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.