Home / 101,973.87-140,717.41-56,651.02

Finding the Fourth Proportional to 101,973.87, 140,717.41 and 56,651.02

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Solution

The fourth proportional to 101,973.87, 140,717.41 and 56,651.02 is: 78,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,973.87 : 140,717.41 = 56,651.02 : x
  2. Step 2: Convert to fraction form
    101,973.87/140,717.41 = 56,651.02/x
  3. Step 3: Cross multiply
    101,973.87x = 140,717.41 × 56,651.02
  4. Step 4: Simplify right side
    101,973.87x = 7,971,784,314.84
  5. Step 5: Solve for x
    x = 7,971,784,314.84/101,973.87
  6. Step 6: Final answer
    x = 78,174.77

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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.