Home / 108,078.94-149,151.30-59,680.74

Finding the Fourth Proportional to 108,078.94, 149,151.30 and 59,680.74

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Solution

The fourth proportional to 108,078.94, 149,151.30 and 59,680.74 is: 82,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.94 : 149,151.30 = 59,680.74 : x
  2. Step 2: Convert to fraction form
    108,078.94/149,151.30 = 59,680.74/x
  3. Step 3: Cross multiply
    108,078.94x = 149,151.30 × 59,680.74
  4. Step 4: Simplify right side
    108,078.94x = 8,901,459,955.96
  5. Step 5: Solve for x
    x = 8,901,459,955.96/108,078.94
  6. Step 6: Final answer
    x = 82,360.73

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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.