Home / 103,633.90-155,374.05-44,421.10

Finding the Fourth Proportional to 103,633.90, 155,374.05 and 44,421.10

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Solution

The fourth proportional to 103,633.90, 155,374.05 and 44,421.10 is: 66,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.90 : 155,374.05 = 44,421.10 : x
  2. Step 2: Convert to fraction form
    103,633.90/155,374.05 = 44,421.10/x
  3. Step 3: Cross multiply
    103,633.90x = 155,374.05 × 44,421.10
  4. Step 4: Simplify right side
    103,633.90x = 6,901,886,212.46
  5. Step 5: Solve for x
    x = 6,901,886,212.46/103,633.90
  6. Step 6: Final answer
    x = 66,598.73

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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.