Home / 79,946.70-119,864.46-40,476.81

Finding the Fourth Proportional to 79,946.70, 119,864.46 and 40,476.81

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Solution

The fourth proportional to 79,946.70, 119,864.46 and 40,476.81 is: 60,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,946.70 : 119,864.46 = 40,476.81 : x
  2. Step 2: Convert to fraction form
    79,946.70/119,864.46 = 40,476.81/x
  3. Step 3: Cross multiply
    79,946.70x = 119,864.46 × 40,476.81
  4. Step 4: Simplify right side
    79,946.70x = 4,851,731,346.77
  5. Step 5: Solve for x
    x = 4,851,731,346.77/79,946.70
  6. Step 6: Final answer
    x = 60,687.08

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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.