Home / 73,519.14-101,456.40-39,985.14

Finding the Fourth Proportional to 73,519.14, 101,456.40 and 39,985.14

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Solution

The fourth proportional to 73,519.14, 101,456.40 and 39,985.14 is: 55,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,519.14 : 101,456.40 = 39,985.14 : x
  2. Step 2: Convert to fraction form
    73,519.14/101,456.40 = 39,985.14/x
  3. Step 3: Cross multiply
    73,519.14x = 101,456.40 × 39,985.14
  4. Step 4: Simplify right side
    73,519.14x = 4,056,748,357.90
  5. Step 5: Solve for x
    x = 4,056,748,357.90/73,519.14
  6. Step 6: Final answer
    x = 55,179.49

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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.