Home / 110,931.20-166,421.10-36,038.60

Finding the Fourth Proportional to 110,931.20, 166,421.10 and 36,038.60

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Solution

The fourth proportional to 110,931.20, 166,421.10 and 36,038.60 is: 54,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,931.20 : 166,421.10 = 36,038.60 : x
  2. Step 2: Convert to fraction form
    110,931.20/166,421.10 = 36,038.60/x
  3. Step 3: Cross multiply
    110,931.20x = 166,421.10 × 36,038.60
  4. Step 4: Simplify right side
    110,931.20x = 5,997,583,454.46
  5. Step 5: Solve for x
    x = 5,997,583,454.46/110,931.20
  6. Step 6: Final answer
    x = 54,065.79

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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.