Home / 68,386.37-94,377.95-38,177.60

Finding the Fourth Proportional to 68,386.37, 94,377.95 and 38,177.60

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Solution

The fourth proportional to 68,386.37, 94,377.95 and 38,177.60 is: 52,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.37 : 94,377.95 = 38,177.60 : x
  2. Step 2: Convert to fraction form
    68,386.37/94,377.95 = 38,177.60/x
  3. Step 3: Cross multiply
    68,386.37x = 94,377.95 × 38,177.60
  4. Step 4: Simplify right side
    68,386.37x = 3,603,123,247.47
  5. Step 5: Solve for x
    x = 3,603,123,247.47/68,386.37
  6. Step 6: Final answer
    x = 52,687.74

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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.