Home / 103,740.30-155,360.99-59,232.15

Finding the Fourth Proportional to 103,740.30, 155,360.99 and 59,232.15

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Solution

The fourth proportional to 103,740.30, 155,360.99 and 59,232.15 is: 88,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740.30 : 155,360.99 = 59,232.15 : x
  2. Step 2: Convert to fraction form
    103,740.30/155,360.99 = 59,232.15/x
  3. Step 3: Cross multiply
    103,740.30x = 155,360.99 × 59,232.15
  4. Step 4: Simplify right side
    103,740.30x = 9,202,365,167.67
  5. Step 5: Solve for x
    x = 9,202,365,167.67/103,740.30
  6. Step 6: Final answer
    x = 88,705.79

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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.