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Finding the Fourth Proportional to 68,317.95, 101,790.03 and 64,498.23

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Solution

The fourth proportional to 68,317.95, 101,790.03 and 64,498.23 is: 96,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,317.95 : 101,790.03 = 64,498.23 : x
  2. Step 2: Convert to fraction form
    68,317.95/101,790.03 = 64,498.23/x
  3. Step 3: Cross multiply
    68,317.95x = 101,790.03 × 64,498.23
  4. Step 4: Simplify right side
    68,317.95x = 6,565,276,766.65
  5. Step 5: Solve for x
    x = 6,565,276,766.65/68,317.95
  6. Step 6: Final answer
    x = 96,098.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.