Home / 102,107.02-140,887.20-59,657.38

Finding the Fourth Proportional to 102,107.02, 140,887.20 and 59,657.38

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Solution

The fourth proportional to 102,107.02, 140,887.20 and 59,657.38 is: 82,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,107.02 : 140,887.20 = 59,657.38 : x
  2. Step 2: Convert to fraction form
    102,107.02/140,887.20 = 59,657.38/x
  3. Step 3: Cross multiply
    102,107.02x = 140,887.20 × 59,657.38
  4. Step 4: Simplify right side
    102,107.02x = 8,404,961,227.54
  5. Step 5: Solve for x
    x = 8,404,961,227.54/102,107.02
  6. Step 6: Final answer
    x = 82,315.21

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1.5x scale

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.