Home / 105,590.22-158,395.35-29,688.60

Finding the Fourth Proportional to 105,590.22, 158,395.35 and 29,688.60

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Solution

The fourth proportional to 105,590.22, 158,395.35 and 29,688.60 is: 44,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,590.22 : 158,395.35 = 29,688.60 : x
  2. Step 2: Convert to fraction form
    105,590.22/158,395.35 = 29,688.60/x
  3. Step 3: Cross multiply
    105,590.22x = 158,395.35 × 29,688.60
  4. Step 4: Simplify right side
    105,590.22x = 4,702,536,188.01
  5. Step 5: Solve for x
    x = 4,702,536,188.01/105,590.22
  6. Step 6: Final answer
    x = 44,535.72

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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.