Home / 72,416.21-108,397.10-49,794.89

Finding the Fourth Proportional to 72,416.21, 108,397.10 and 49,794.89

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Solution

The fourth proportional to 72,416.21, 108,397.10 and 49,794.89 is: 74,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416.21 : 108,397.10 = 49,794.89 : x
  2. Step 2: Convert to fraction form
    72,416.21/108,397.10 = 49,794.89/x
  3. Step 3: Cross multiply
    72,416.21x = 108,397.10 × 49,794.89
  4. Step 4: Simplify right side
    72,416.21x = 5,397,621,670.82
  5. Step 5: Solve for x
    x = 5,397,621,670.82/72,416.21
  6. Step 6: Final answer
    x = 74,536.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.