Home / 61,801.68-92,711.40-19,110.43

Finding the Fourth Proportional to 61,801.68, 92,711.40 and 19,110.43

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Solution

The fourth proportional to 61,801.68, 92,711.40 and 19,110.43 is: 28,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801.68 : 92,711.40 = 19,110.43 : x
  2. Step 2: Convert to fraction form
    61,801.68/92,711.40 = 19,110.43/x
  3. Step 3: Cross multiply
    61,801.68x = 92,711.40 × 19,110.43
  4. Step 4: Simplify right side
    61,801.68x = 1,771,754,903.90
  5. Step 5: Solve for x
    x = 1,771,754,903.90/61,801.68
  6. Step 6: Final answer
    x = 28,668.40

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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.