Home / 67,542.90-93,220.78-39,264.98

Finding the Fourth Proportional to 67,542.90, 93,220.78 and 39,264.98

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Solution

The fourth proportional to 67,542.90, 93,220.78 and 39,264.98 is: 54,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,542.90 : 93,220.78 = 39,264.98 : x
  2. Step 2: Convert to fraction form
    67,542.90/93,220.78 = 39,264.98/x
  3. Step 3: Cross multiply
    67,542.90x = 93,220.78 × 39,264.98
  4. Step 4: Simplify right side
    67,542.90x = 3,660,312,062.28
  5. Step 5: Solve for x
    x = 3,660,312,062.28/67,542.90
  6. Step 6: Final answer
    x = 54,192.40

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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.