Home / 79,913.50-119,756.01-58,687.06

Finding the Fourth Proportional to 79,913.50, 119,756.01 and 58,687.06

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Solution

The fourth proportional to 79,913.50, 119,756.01 and 58,687.06 is: 87,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,913.50 : 119,756.01 = 58,687.06 : x
  2. Step 2: Convert to fraction form
    79,913.50/119,756.01 = 58,687.06/x
  3. Step 3: Cross multiply
    79,913.50x = 119,756.01 × 58,687.06
  4. Step 4: Simplify right side
    79,913.50x = 7,028,128,144.23
  5. Step 5: Solve for x
    x = 7,028,128,144.23/79,913.50
  6. Step 6: Final answer
    x = 87,946.69

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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.