Home / 77,392.32-106,788.96-43,869.12

Finding the Fourth Proportional to 77,392.32, 106,788.96 and 43,869.12

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Solution

The fourth proportional to 77,392.32, 106,788.96 and 43,869.12 is: 60,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392.32 : 106,788.96 = 43,869.12 : x
  2. Step 2: Convert to fraction form
    77,392.32/106,788.96 = 43,869.12/x
  3. Step 3: Cross multiply
    77,392.32x = 106,788.96 × 43,869.12
  4. Step 4: Simplify right side
    77,392.32x = 4,684,737,700.92
  5. Step 5: Solve for x
    x = 4,684,737,700.92/77,392.32
  6. Step 6: Final answer
    x = 60,532.33

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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.