Home / 115,587.53-173,365.61-31,353.11

Finding the Fourth Proportional to 115,587.53, 173,365.61 and 31,353.11

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Solution

The fourth proportional to 115,587.53, 173,365.61 and 31,353.11 is: 47,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587.53 : 173,365.61 = 31,353.11 : x
  2. Step 2: Convert to fraction form
    115,587.53/173,365.61 = 31,353.11/x
  3. Step 3: Cross multiply
    115,587.53x = 173,365.61 × 31,353.11
  4. Step 4: Simplify right side
    115,587.53x = 5,435,550,016.95
  5. Step 5: Solve for x
    x = 5,435,550,016.95/115,587.53
  6. Step 6: Final answer
    x = 47,025.40

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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.