Home / 115,116.63-172,698.38-48,557.00

Finding the Fourth Proportional to 115,116.63, 172,698.38 and 48,557.00

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Solution

The fourth proportional to 115,116.63, 172,698.38 and 48,557.00 is: 72,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,116.63 : 172,698.38 = 48,557.00 : x
  2. Step 2: Convert to fraction form
    115,116.63/172,698.38 = 48,557.00/x
  3. Step 3: Cross multiply
    115,116.63x = 172,698.38 × 48,557.00
  4. Step 4: Simplify right side
    115,116.63x = 8,385,714,131.38
  5. Step 5: Solve for x
    x = 8,385,714,131.38/115,116.63
  6. Step 6: Final answer
    x = 72,845.38

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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.