Home / 69,523.02-103,390.12-67,308.69

Finding the Fourth Proportional to 69,523.02, 103,390.12 and 67,308.69

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Solution

The fourth proportional to 69,523.02, 103,390.12 and 67,308.69 is: 100,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,523.02 : 103,390.12 = 67,308.69 : x
  2. Step 2: Convert to fraction form
    69,523.02/103,390.12 = 67,308.69/x
  3. Step 3: Cross multiply
    69,523.02x = 103,390.12 × 67,308.69
  4. Step 4: Simplify right side
    69,523.02x = 6,959,053,187.46
  5. Step 5: Solve for x
    x = 6,959,053,187.46/69,523.02
  6. Step 6: Final answer
    x = 100,097.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.