Home / 115,147.74-172,647.42-48,570.06

Finding the Fourth Proportional to 115,147.74, 172,647.42 and 48,570.06

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Solution

The fourth proportional to 115,147.74, 172,647.42 and 48,570.06 is: 72,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,147.74 : 172,647.42 = 48,570.06 : x
  2. Step 2: Convert to fraction form
    115,147.74/172,647.42 = 48,570.06/x
  3. Step 3: Cross multiply
    115,147.74x = 172,647.42 × 48,570.06
  4. Step 4: Simplify right side
    115,147.74x = 8,385,495,548.25
  5. Step 5: Solve for x
    x = 8,385,495,548.25/115,147.74
  6. Step 6: Final answer
    x = 72,823.80

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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.