Home / 115,258.48-172,846.13-48,703.75

Finding the Fourth Proportional to 115,258.48, 172,846.13 and 48,703.75

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Solution

The fourth proportional to 115,258.48, 172,846.13 and 48,703.75 is: 73,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,258.48 : 172,846.13 = 48,703.75 : x
  2. Step 2: Convert to fraction form
    115,258.48/172,846.13 = 48,703.75/x
  3. Step 3: Cross multiply
    115,258.48x = 172,846.13 × 48,703.75
  4. Step 4: Simplify right side
    115,258.48x = 8,418,254,028.35
  5. Step 5: Solve for x
    x = 8,418,254,028.35/115,258.48
  6. Step 6: Final answer
    x = 73,038.05

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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.