Home / 115,487.10-173,206.35-48,929.40

Finding the Fourth Proportional to 115,487.10, 173,206.35 and 48,929.40

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Solution

The fourth proportional to 115,487.10, 173,206.35 and 48,929.40 is: 73,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487.10 : 173,206.35 = 48,929.40 : x
  2. Step 2: Convert to fraction form
    115,487.10/173,206.35 = 48,929.40/x
  3. Step 3: Cross multiply
    115,487.10x = 173,206.35 × 48,929.40
  4. Step 4: Simplify right side
    115,487.10x = 8,474,882,781.69
  5. Step 5: Solve for x
    x = 8,474,882,781.69/115,487.10
  6. Step 6: Final answer
    x = 73,383.80

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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.