Home / 67,790.52-93,542.02-39,111.24

Finding the Fourth Proportional to 67,790.52, 93,542.02 and 39,111.24

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Solution

The fourth proportional to 67,790.52, 93,542.02 and 39,111.24 is: 53,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790.52 : 93,542.02 = 39,111.24 : x
  2. Step 2: Convert to fraction form
    67,790.52/93,542.02 = 39,111.24/x
  3. Step 3: Cross multiply
    67,790.52x = 93,542.02 × 39,111.24
  4. Step 4: Simplify right side
    67,790.52x = 3,658,544,394.30
  5. Step 5: Solve for x
    x = 3,658,544,394.30/67,790.52
  6. Step 6: Final answer
    x = 53,968.38

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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.