Home / 96,621.40-144,932.10-68,627.80

Finding the Fourth Proportional to 96,621.40, 144,932.10 and 68,627.80

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Solution

The fourth proportional to 96,621.40, 144,932.10 and 68,627.80 is: 102,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,621.40 : 144,932.10 = 68,627.80 : x
  2. Step 2: Convert to fraction form
    96,621.40/144,932.10 = 68,627.80/x
  3. Step 3: Cross multiply
    96,621.40x = 144,932.10 × 68,627.80
  4. Step 4: Simplify right side
    96,621.40x = 9,946,371,172.38
  5. Step 5: Solve for x
    x = 9,946,371,172.38/96,621.40
  6. Step 6: Final answer
    x = 102,941.70

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1.5x scale

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.