Home / 57,919.48-79,887.67-53,154.81

Finding the Fourth Proportional to 57,919.48, 79,887.67 and 53,154.81

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Solution

The fourth proportional to 57,919.48, 79,887.67 and 53,154.81 is: 73,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.48 : 79,887.67 = 53,154.81 : x
  2. Step 2: Convert to fraction form
    57,919.48/79,887.67 = 53,154.81/x
  3. Step 3: Cross multiply
    57,919.48x = 79,887.67 × 53,154.81
  4. Step 4: Simplify right side
    57,919.48x = 4,246,413,920.19
  5. Step 5: Solve for x
    x = 4,246,413,920.19/57,919.48
  6. Step 6: Final answer
    x = 73,315.82

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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.