Home / 125,047.02-172,569.24-68,458.80

Finding the Fourth Proportional to 125,047.02, 172,569.24 and 68,458.80

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Solution

The fourth proportional to 125,047.02, 172,569.24 and 68,458.80 is: 94,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,047.02 : 172,569.24 = 68,458.80 : x
  2. Step 2: Convert to fraction form
    125,047.02/172,569.24 = 68,458.80/x
  3. Step 3: Cross multiply
    125,047.02x = 172,569.24 × 68,458.80
  4. Step 4: Simplify right side
    125,047.02x = 11,813,883,087.31
  5. Step 5: Solve for x
    x = 11,813,883,087.31/125,047.02
  6. Step 6: Final answer
    x = 94,475.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.