Home / 115,416.40-173,124.60-40,548.10

Finding the Fourth Proportional to 115,416.40, 173,124.60 and 40,548.10

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Solution

The fourth proportional to 115,416.40, 173,124.60 and 40,548.10 is: 60,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416.40 : 173,124.60 = 40,548.10 : x
  2. Step 2: Convert to fraction form
    115,416.40/173,124.60 = 40,548.10/x
  3. Step 3: Cross multiply
    115,416.40x = 173,124.60 × 40,548.10
  4. Step 4: Simplify right side
    115,416.40x = 7,019,873,593.26
  5. Step 5: Solve for x
    x = 7,019,873,593.26/115,416.40
  6. Step 6: Final answer
    x = 60,822.15

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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.