Home / 68,600.82-94,669.49-38,386.20

Finding the Fourth Proportional to 68,600.82, 94,669.49 and 38,386.20

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Solution

The fourth proportional to 68,600.82, 94,669.49 and 38,386.20 is: 52,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,600.82 : 94,669.49 = 38,386.20 : x
  2. Step 2: Convert to fraction form
    68,600.82/94,669.49 = 38,386.20/x
  3. Step 3: Cross multiply
    68,600.82x = 94,669.49 × 38,386.20
  4. Step 4: Simplify right side
    68,600.82x = 3,634,001,977.04
  5. Step 5: Solve for x
    x = 3,634,001,977.04/68,600.82
  6. Step 6: Final answer
    x = 52,973.16

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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.