Home / 68,373.03-94,363.37-39,686.52

Finding the Fourth Proportional to 68,373.03, 94,363.37 and 39,686.52

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Solution

The fourth proportional to 68,373.03, 94,363.37 and 39,686.52 is: 54,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.03 : 94,363.37 = 39,686.52 : x
  2. Step 2: Convert to fraction form
    68,373.03/94,363.37 = 39,686.52/x
  3. Step 3: Cross multiply
    68,373.03x = 94,363.37 × 39,686.52
  4. Step 4: Simplify right side
    68,373.03x = 3,744,953,770.77
  5. Step 5: Solve for x
    x = 3,744,953,770.77/68,373.03
  6. Step 6: Final answer
    x = 54,772.38

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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.