Home / 67,068.08-100,617.67-19,681.25

Finding the Fourth Proportional to 67,068.08, 100,617.67 and 19,681.25

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Solution

The fourth proportional to 67,068.08, 100,617.67 and 19,681.25 is: 29,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068.08 : 100,617.67 = 19,681.25 : x
  2. Step 2: Convert to fraction form
    67,068.08/100,617.67 = 19,681.25/x
  3. Step 3: Cross multiply
    67,068.08x = 100,617.67 × 19,681.25
  4. Step 4: Simplify right side
    67,068.08x = 1,980,281,517.69
  5. Step 5: Solve for x
    x = 1,980,281,517.69/67,068.08
  6. Step 6: Final answer
    x = 29,526.44

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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.