Home / 74,231.52-102,441.84-40,700.64

Finding the Fourth Proportional to 74,231.52, 102,441.84 and 40,700.64

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Solution

The fourth proportional to 74,231.52, 102,441.84 and 40,700.64 is: 56,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.52 : 102,441.84 = 40,700.64 : x
  2. Step 2: Convert to fraction form
    74,231.52/102,441.84 = 40,700.64/x
  3. Step 3: Cross multiply
    74,231.52x = 102,441.84 × 40,700.64
  4. Step 4: Simplify right side
    74,231.52x = 4,169,448,450.78
  5. Step 5: Solve for x
    x = 4,169,448,450.78/74,231.52
  6. Step 6: Final answer
    x = 56,168.17

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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.