Home / 67,808.80-93,557.14-39,509.02

Finding the Fourth Proportional to 67,808.80, 93,557.14 and 39,509.02

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Solution

The fourth proportional to 67,808.80, 93,557.14 and 39,509.02 is: 54,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.80 : 93,557.14 = 39,509.02 : x
  2. Step 2: Convert to fraction form
    67,808.80/93,557.14 = 39,509.02/x
  3. Step 3: Cross multiply
    67,808.80x = 93,557.14 × 39,509.02
  4. Step 4: Simplify right side
    67,808.80x = 3,696,350,915.40
  5. Step 5: Solve for x
    x = 3,696,350,915.40/67,808.80
  6. Step 6: Final answer
    x = 54,511.37

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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.