Home / 78,523.32-108,361.04-42,713.62

Finding the Fourth Proportional to 78,523.32, 108,361.04 and 42,713.62

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Solution

The fourth proportional to 78,523.32, 108,361.04 and 42,713.62 is: 58,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,523.32 : 108,361.04 = 42,713.62 : x
  2. Step 2: Convert to fraction form
    78,523.32/108,361.04 = 42,713.62/x
  3. Step 3: Cross multiply
    78,523.32x = 108,361.04 × 42,713.62
  4. Step 4: Simplify right side
    78,523.32x = 4,628,492,285.36
  5. Step 5: Solve for x
    x = 4,628,492,285.36/78,523.32
  6. Step 6: Final answer
    x = 58,944.17

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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.