Home / 68,228.66-94,153.52-38,012.12

Finding the Fourth Proportional to 68,228.66, 94,153.52 and 38,012.12

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Solution

The fourth proportional to 68,228.66, 94,153.52 and 38,012.12 is: 52,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.66 : 94,153.52 = 38,012.12 : x
  2. Step 2: Convert to fraction form
    68,228.66/94,153.52 = 38,012.12/x
  3. Step 3: Cross multiply
    68,228.66x = 94,153.52 × 38,012.12
  4. Step 4: Simplify right side
    68,228.66x = 3,578,974,878.00
  5. Step 5: Solve for x
    x = 3,578,974,878.00/68,228.66
  6. Step 6: Final answer
    x = 52,455.59

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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.