Home / 78,801.52-108,731.20-46,973.38

Finding the Fourth Proportional to 78,801.52, 108,731.20 and 46,973.38

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Solution

The fourth proportional to 78,801.52, 108,731.20 and 46,973.38 is: 64,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,801.52 : 108,731.20 = 46,973.38 : x
  2. Step 2: Convert to fraction form
    78,801.52/108,731.20 = 46,973.38/x
  3. Step 3: Cross multiply
    78,801.52x = 108,731.20 × 46,973.38
  4. Step 4: Simplify right side
    78,801.52x = 5,107,471,975.46
  5. Step 5: Solve for x
    x = 5,107,471,975.46/78,801.52
  6. Step 6: Final answer
    x = 64,814.38

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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.