Home / 115,505.15-173,258.72-40,625.84

Finding the Fourth Proportional to 115,505.15, 173,258.72 and 40,625.84

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Solution

The fourth proportional to 115,505.15, 173,258.72 and 40,625.84 is: 60,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505.15 : 173,258.72 = 40,625.84 : x
  2. Step 2: Convert to fraction form
    115,505.15/173,258.72 = 40,625.84/x
  3. Step 3: Cross multiply
    115,505.15x = 173,258.72 × 40,625.84
  4. Step 4: Simplify right side
    115,505.15x = 7,038,779,967.90
  5. Step 5: Solve for x
    x = 7,038,779,967.90/115,505.15
  6. Step 6: Final answer
    x = 60,939.10

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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.