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Finding the Fourth Proportional to 75,994.84, 114,041.22 and 40,958.92

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Solution

The fourth proportional to 75,994.84, 114,041.22 and 40,958.92 is: 61,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,994.84 : 114,041.22 = 40,958.92 : x
  2. Step 2: Convert to fraction form
    75,994.84/114,041.22 = 40,958.92/x
  3. Step 3: Cross multiply
    75,994.84x = 114,041.22 × 40,958.92
  4. Step 4: Simplify right side
    75,994.84x = 4,671,005,206.68
  5. Step 5: Solve for x
    x = 4,671,005,206.68/75,994.84
  6. Step 6: Final answer
    x = 61,464.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.