Home / 114,705.02-172,081.48-57,810.90

Finding the Fourth Proportional to 114,705.02, 172,081.48 and 57,810.90

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Solution

The fourth proportional to 114,705.02, 172,081.48 and 57,810.90 is: 86,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,705.02 : 172,081.48 = 57,810.90 : x
  2. Step 2: Convert to fraction form
    114,705.02/172,081.48 = 57,810.90/x
  3. Step 3: Cross multiply
    114,705.02x = 172,081.48 × 57,810.90
  4. Step 4: Simplify right side
    114,705.02x = 9,948,185,232.13
  5. Step 5: Solve for x
    x = 9,948,185,232.13/114,705.02
  6. Step 6: Final answer
    x = 86,728.42

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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.