Home / 111,481.90-167,248.40-48,312.63

Finding the Fourth Proportional to 111,481.90, 167,248.40 and 48,312.63

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Solution

The fourth proportional to 111,481.90, 167,248.40 and 48,312.63 is: 72,480.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,481.90 : 167,248.40 = 48,312.63 : x
  2. Step 2: Convert to fraction form
    111,481.90/167,248.40 = 48,312.63/x
  3. Step 3: Cross multiply
    111,481.90x = 167,248.40 × 48,312.63
  4. Step 4: Simplify right side
    111,481.90x = 8,080,209,355.34
  5. Step 5: Solve for x
    x = 8,080,209,355.34/111,481.90
  6. Step 6: Final answer
    x = 72,480.01

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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.