Home / 103,656.62-155,235.76-59,148.43

Finding the Fourth Proportional to 103,656.62, 155,235.76 and 59,148.43

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Solution

The fourth proportional to 103,656.62, 155,235.76 and 59,148.43 is: 88,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.62 : 155,235.76 = 59,148.43 : x
  2. Step 2: Convert to fraction form
    103,656.62/155,235.76 = 59,148.43/x
  3. Step 3: Cross multiply
    103,656.62x = 155,235.76 × 59,148.43
  4. Step 4: Simplify right side
    103,656.62x = 9,181,951,483.86
  5. Step 5: Solve for x
    x = 9,181,951,483.86/103,656.62
  6. Step 6: Final answer
    x = 88,580.46

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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.