Home / 72,984.52-100,719.12-46,139.14

Finding the Fourth Proportional to 72,984.52, 100,719.12 and 46,139.14

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Solution

The fourth proportional to 72,984.52, 100,719.12 and 46,139.14 is: 63,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,984.52 : 100,719.12 = 46,139.14 : x
  2. Step 2: Convert to fraction form
    72,984.52/100,719.12 = 46,139.14/x
  3. Step 3: Cross multiply
    72,984.52x = 100,719.12 × 46,139.14
  4. Step 4: Simplify right side
    72,984.52x = 4,647,093,578.36
  5. Step 5: Solve for x
    x = 4,647,093,578.36/72,984.52
  6. Step 6: Final answer
    x = 63,672.32

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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.