Home / 98,856.05-148,305.94-54,459.95

Finding the Fourth Proportional to 98,856.05, 148,305.94 and 54,459.95

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Solution

The fourth proportional to 98,856.05, 148,305.94 and 54,459.95 is: 81,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.05 : 148,305.94 = 54,459.95 : x
  2. Step 2: Convert to fraction form
    98,856.05/148,305.94 = 54,459.95/x
  3. Step 3: Cross multiply
    98,856.05x = 148,305.94 × 54,459.95
  4. Step 4: Simplify right side
    98,856.05x = 8,076,733,199.42
  5. Step 5: Solve for x
    x = 8,076,733,199.42/98,856.05
  6. Step 6: Final answer
    x = 81,701.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.