Home / 110,869.30-166,271.55-39,783.70

Finding the Fourth Proportional to 110,869.30, 166,271.55 and 39,783.70

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Solution

The fourth proportional to 110,869.30, 166,271.55 and 39,783.70 is: 59,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,869.30 : 166,271.55 = 39,783.70 : x
  2. Step 2: Convert to fraction form
    110,869.30/166,271.55 = 39,783.70/x
  3. Step 3: Cross multiply
    110,869.30x = 166,271.55 × 39,783.70
  4. Step 4: Simplify right side
    110,869.30x = 6,614,897,463.74
  5. Step 5: Solve for x
    x = 6,614,897,463.74/110,869.30
  6. Step 6: Final answer
    x = 59,663.92

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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.