Home / 56,369.68-77,716.40-48,496.48

Finding the Fourth Proportional to 56,369.68, 77,716.40 and 48,496.48

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Solution

The fourth proportional to 56,369.68, 77,716.40 and 48,496.48 is: 66,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,369.68 : 77,716.40 = 48,496.48 : x
  2. Step 2: Convert to fraction form
    56,369.68/77,716.40 = 48,496.48/x
  3. Step 3: Cross multiply
    56,369.68x = 77,716.40 × 48,496.48
  4. Step 4: Simplify right side
    56,369.68x = 3,768,971,838.27
  5. Step 5: Solve for x
    x = 3,768,971,838.27/56,369.68
  6. Step 6: Final answer
    x = 66,861.69

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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.