Home / 77,171.04-106,498.08-43,637.76

Finding the Fourth Proportional to 77,171.04, 106,498.08 and 43,637.76

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Solution

The fourth proportional to 77,171.04, 106,498.08 and 43,637.76 is: 60,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,171.04 : 106,498.08 = 43,637.76 : x
  2. Step 2: Convert to fraction form
    77,171.04/106,498.08 = 43,637.76/x
  3. Step 3: Cross multiply
    77,171.04x = 106,498.08 × 43,637.76
  4. Step 4: Simplify right side
    77,171.04x = 4,647,337,655.50
  5. Step 5: Solve for x
    x = 4,647,337,655.50/77,171.04
  6. Step 6: Final answer
    x = 60,221.27

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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.