Home / 77,946.66-116,854.38-31,174.02

Finding the Fourth Proportional to 77,946.66, 116,854.38 and 31,174.02

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Solution

The fourth proportional to 77,946.66, 116,854.38 and 31,174.02 is: 46,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.66 : 116,854.38 = 31,174.02 : x
  2. Step 2: Convert to fraction form
    77,946.66/116,854.38 = 31,174.02/x
  3. Step 3: Cross multiply
    77,946.66x = 116,854.38 × 31,174.02
  4. Step 4: Simplify right side
    77,946.66x = 3,642,820,779.21
  5. Step 5: Solve for x
    x = 3,642,820,779.21/77,946.66
  6. Step 6: Final answer
    x = 46,734.79

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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.