Home / 108,047.36-149,099.28-60,303.78

Finding the Fourth Proportional to 108,047.36, 149,099.28 and 60,303.78

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Solution

The fourth proportional to 108,047.36, 149,099.28 and 60,303.78 is: 83,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.36 : 149,099.28 = 60,303.78 : x
  2. Step 2: Convert to fraction form
    108,047.36/149,099.28 = 60,303.78/x
  3. Step 3: Cross multiply
    108,047.36x = 149,099.28 × 60,303.78
  4. Step 4: Simplify right side
    108,047.36x = 8,991,250,179.28
  5. Step 5: Solve for x
    x = 8,991,250,179.28/108,047.36
  6. Step 6: Final answer
    x = 83,215.83

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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.