Home / 100,793.43-139,099.28-60,510.51

Finding the Fourth Proportional to 100,793.43, 139,099.28 and 60,510.51

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Solution

The fourth proportional to 100,793.43, 139,099.28 and 60,510.51 is: 83,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,793.43 : 139,099.28 = 60,510.51 : x
  2. Step 2: Convert to fraction form
    100,793.43/139,099.28 = 60,510.51/x
  3. Step 3: Cross multiply
    100,793.43x = 139,099.28 × 60,510.51
  4. Step 4: Simplify right side
    100,793.43x = 8,416,968,070.88
  5. Step 5: Solve for x
    x = 8,416,968,070.88/100,793.43
  6. Step 6: Final answer
    x = 83,507.11

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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.