Home / 108,045.08-149,112.56-60,302.87

Finding the Fourth Proportional to 108,045.08, 149,112.56 and 60,302.87

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Solution

The fourth proportional to 108,045.08, 149,112.56 and 60,302.87 is: 83,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045.08 : 149,112.56 = 60,302.87 : x
  2. Step 2: Convert to fraction form
    108,045.08/149,112.56 = 60,302.87/x
  3. Step 3: Cross multiply
    108,045.08x = 149,112.56 × 60,302.87
  4. Step 4: Simplify right side
    108,045.08x = 8,991,915,321.05
  5. Step 5: Solve for x
    x = 8,991,915,321.05/108,045.08
  6. Step 6: Final answer
    x = 83,223.74

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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.