Home / 68,377.12-94,357.94-42,897.20

Finding the Fourth Proportional to 68,377.12, 94,357.94 and 42,897.20

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Solution

The fourth proportional to 68,377.12, 94,357.94 and 42,897.20 is: 59,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.12 : 94,357.94 = 42,897.20 : x
  2. Step 2: Convert to fraction form
    68,377.12/94,357.94 = 42,897.20/x
  3. Step 3: Cross multiply
    68,377.12x = 94,357.94 × 42,897.20
  4. Step 4: Simplify right side
    68,377.12x = 4,047,690,737.49
  5. Step 5: Solve for x
    x = 4,047,690,737.49/68,377.12
  6. Step 6: Final answer
    x = 59,196.57

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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.