Home / 68,509.14-94,535.01-38,701.14

Finding the Fourth Proportional to 68,509.14, 94,535.01 and 38,701.14

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Solution

The fourth proportional to 68,509.14, 94,535.01 and 38,701.14 is: 53,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,509.14 : 94,535.01 = 38,701.14 : x
  2. Step 2: Convert to fraction form
    68,509.14/94,535.01 = 38,701.14/x
  3. Step 3: Cross multiply
    68,509.14x = 94,535.01 × 38,701.14
  4. Step 4: Simplify right side
    68,509.14x = 3,658,612,656.91
  5. Step 5: Solve for x
    x = 3,658,612,656.91/68,509.14
  6. Step 6: Final answer
    x = 53,403.28

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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.