Home / 82,278.74-123,392.58-29,681.36

Finding the Fourth Proportional to 82,278.74, 123,392.58 and 29,681.36

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Solution

The fourth proportional to 82,278.74, 123,392.58 and 29,681.36 is: 44,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,278.74 : 123,392.58 = 29,681.36 : x
  2. Step 2: Convert to fraction form
    82,278.74/123,392.58 = 29,681.36/x
  3. Step 3: Cross multiply
    82,278.74x = 123,392.58 × 29,681.36
  4. Step 4: Simplify right side
    82,278.74x = 3,662,459,588.31
  5. Step 5: Solve for x
    x = 3,662,459,588.31/82,278.74
  6. Step 6: Final answer
    x = 44,512.83

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1.5x scale

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.