Home / 78,521.19-108,362.12-43,596.83

Finding the Fourth Proportional to 78,521.19, 108,362.12 and 43,596.83

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Solution

The fourth proportional to 78,521.19, 108,362.12 and 43,596.83 is: 60,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,521.19 : 108,362.12 = 43,596.83 : x
  2. Step 2: Convert to fraction form
    78,521.19/108,362.12 = 43,596.83/x
  3. Step 3: Cross multiply
    78,521.19x = 108,362.12 × 43,596.83
  4. Step 4: Simplify right side
    78,521.19x = 4,724,244,164.28
  5. Step 5: Solve for x
    x = 4,724,244,164.28/78,521.19
  6. Step 6: Final answer
    x = 60,165.21

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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.