Home / 115,376.20-173,064.30-48,891.40

Finding the Fourth Proportional to 115,376.20, 173,064.30 and 48,891.40

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Solution

The fourth proportional to 115,376.20, 173,064.30 and 48,891.40 is: 73,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.20 : 173,064.30 = 48,891.40 : x
  2. Step 2: Convert to fraction form
    115,376.20/173,064.30 = 48,891.40/x
  3. Step 3: Cross multiply
    115,376.20x = 173,064.30 × 48,891.40
  4. Step 4: Simplify right side
    115,376.20x = 8,461,355,917.02
  5. Step 5: Solve for x
    x = 8,461,355,917.02/115,376.20
  6. Step 6: Final answer
    x = 73,337.10

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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.