Home / 101,769.45-140,458.65-56,462.03

Finding the Fourth Proportional to 101,769.45, 140,458.65 and 56,462.03

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Solution

The fourth proportional to 101,769.45, 140,458.65 and 56,462.03 is: 77,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,769.45 : 140,458.65 = 56,462.03 : x
  2. Step 2: Convert to fraction form
    101,769.45/140,458.65 = 56,462.03/x
  3. Step 3: Cross multiply
    101,769.45x = 140,458.65 × 56,462.03
  4. Step 4: Simplify right side
    101,769.45x = 7,930,579,807.77
  5. Step 5: Solve for x
    x = 7,930,579,807.77/101,769.45
  6. Step 6: Final answer
    x = 77,926.92

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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.