Home / 115,660.16-173,466.99-40,783.35

Finding the Fourth Proportional to 115,660.16, 173,466.99 and 40,783.35

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Solution

The fourth proportional to 115,660.16, 173,466.99 and 40,783.35 is: 61,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.16 : 173,466.99 = 40,783.35 : x
  2. Step 2: Convert to fraction form
    115,660.16/173,466.99 = 40,783.35/x
  3. Step 3: Cross multiply
    115,660.16x = 173,466.99 × 40,783.35
  4. Step 4: Simplify right side
    115,660.16x = 7,074,564,966.62
  5. Step 5: Solve for x
    x = 7,074,564,966.62/115,660.16
  6. Step 6: Final answer
    x = 61,166.83

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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.