Home / 78,935.63-108,931.11-44,942.36

Finding the Fourth Proportional to 78,935.63, 108,931.11 and 44,942.36

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Solution

The fourth proportional to 78,935.63, 108,931.11 and 44,942.36 is: 62,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935.63 : 108,931.11 = 44,942.36 : x
  2. Step 2: Convert to fraction form
    78,935.63/108,931.11 = 44,942.36/x
  3. Step 3: Cross multiply
    78,935.63x = 108,931.11 × 44,942.36
  4. Step 4: Simplify right side
    78,935.63x = 4,895,621,160.82
  5. Step 5: Solve for x
    x = 4,895,621,160.82/78,935.63
  6. Step 6: Final answer
    x = 62,020.42

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1.5x scale

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.