Home / 67,451.84-93,069.09-39,142.34

Finding the Fourth Proportional to 67,451.84, 93,069.09 and 39,142.34

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Solution

The fourth proportional to 67,451.84, 93,069.09 and 39,142.34 is: 54,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,451.84 : 93,069.09 = 39,142.34 : x
  2. Step 2: Convert to fraction form
    67,451.84/93,069.09 = 39,142.34/x
  3. Step 3: Cross multiply
    67,451.84x = 93,069.09 × 39,142.34
  4. Step 4: Simplify right side
    67,451.84x = 3,642,941,964.27
  5. Step 5: Solve for x
    x = 3,642,941,964.27/67,451.84
  6. Step 6: Final answer
    x = 54,008.04

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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.