Home / 103,617.90-155,350.05-44,405.10

Finding the Fourth Proportional to 103,617.90, 155,350.05 and 44,405.10

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Solution

The fourth proportional to 103,617.90, 155,350.05 and 44,405.10 is: 66,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.90 : 155,350.05 = 44,405.10 : x
  2. Step 2: Convert to fraction form
    103,617.90/155,350.05 = 44,405.10/x
  3. Step 3: Cross multiply
    103,617.90x = 155,350.05 × 44,405.10
  4. Step 4: Simplify right side
    103,617.90x = 6,898,334,505.26
  5. Step 5: Solve for x
    x = 6,898,334,505.26/103,617.90
  6. Step 6: Final answer
    x = 66,574.74

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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.