Home / 103,653.22-155,230.70-59,145.05

Finding the Fourth Proportional to 103,653.22, 155,230.70 and 59,145.05

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Solution

The fourth proportional to 103,653.22, 155,230.70 and 59,145.05 is: 88,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.22 : 155,230.70 = 59,145.05 : x
  2. Step 2: Convert to fraction form
    103,653.22/155,230.70 = 59,145.05/x
  3. Step 3: Cross multiply
    103,653.22x = 155,230.70 × 59,145.05
  4. Step 4: Simplify right side
    103,653.22x = 9,181,127,513.04
  5. Step 5: Solve for x
    x = 9,181,127,513.04/103,653.22
  6. Step 6: Final answer
    x = 88,575.42

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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.