Home / 72,523.44-100,089.54-48,699.72

Finding the Fourth Proportional to 72,523.44, 100,089.54 and 48,699.72

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Solution

The fourth proportional to 72,523.44, 100,089.54 and 48,699.72 is: 67,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,523.44 : 100,089.54 = 48,699.72 : x
  2. Step 2: Convert to fraction form
    72,523.44/100,089.54 = 48,699.72/x
  3. Step 3: Cross multiply
    72,523.44x = 100,089.54 × 48,699.72
  4. Step 4: Simplify right side
    72,523.44x = 4,874,332,572.93
  5. Step 5: Solve for x
    x = 4,874,332,572.93/72,523.44
  6. Step 6: Final answer
    x = 67,210.44

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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.