Home / 102,073.02-140,879.30-59,047.44

Finding the Fourth Proportional to 102,073.02, 140,879.30 and 59,047.44

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Solution

The fourth proportional to 102,073.02, 140,879.30 and 59,047.44 is: 81,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,073.02 : 140,879.30 = 59,047.44 : x
  2. Step 2: Convert to fraction form
    102,073.02/140,879.30 = 59,047.44/x
  3. Step 3: Cross multiply
    102,073.02x = 140,879.30 × 59,047.44
  4. Step 4: Simplify right side
    102,073.02x = 8,318,561,718.75
  5. Step 5: Solve for x
    x = 8,318,561,718.75/102,073.02
  6. Step 6: Final answer
    x = 81,496.18

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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.