Home / 51,771.66-77,543.66-42,785.14

Finding the Fourth Proportional to 51,771.66, 77,543.66 and 42,785.14

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Solution

The fourth proportional to 51,771.66, 77,543.66 and 42,785.14 is: 64,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.66 : 77,543.66 = 42,785.14 : x
  2. Step 2: Convert to fraction form
    51,771.66/77,543.66 = 42,785.14/x
  3. Step 3: Cross multiply
    51,771.66x = 77,543.66 × 42,785.14
  4. Step 4: Simplify right side
    51,771.66x = 3,317,716,800.45
  5. Step 5: Solve for x
    x = 3,317,716,800.45/51,771.66
  6. Step 6: Final answer
    x = 64,083.64

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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.