Home / 68,123.52-94,015.36-37,911.20

Finding the Fourth Proportional to 68,123.52, 94,015.36 and 37,911.20

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Solution

The fourth proportional to 68,123.52, 94,015.36 and 37,911.20 is: 52,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,123.52 : 94,015.36 = 37,911.20 : x
  2. Step 2: Convert to fraction form
    68,123.52/94,015.36 = 37,911.20/x
  3. Step 3: Cross multiply
    68,123.52x = 94,015.36 × 37,911.20
  4. Step 4: Simplify right side
    68,123.52x = 3,564,235,116.03
  5. Step 5: Solve for x
    x = 3,564,235,116.03/68,123.52
  6. Step 6: Final answer
    x = 52,320.18

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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.