Home / 108,516.48-149,735.28-60,771.84

Finding the Fourth Proportional to 108,516.48, 149,735.28 and 60,771.84

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Solution

The fourth proportional to 108,516.48, 149,735.28 and 60,771.84 is: 83,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516.48 : 149,735.28 = 60,771.84 : x
  2. Step 2: Convert to fraction form
    108,516.48/149,735.28 = 60,771.84/x
  3. Step 3: Cross multiply
    108,516.48x = 149,735.28 × 60,771.84
  4. Step 4: Simplify right side
    108,516.48x = 9,099,688,478.52
  5. Step 5: Solve for x
    x = 9,099,688,478.52/108,516.48
  6. Step 6: Final answer
    x = 83,855.36

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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.