Home / 98,856.55-148,306.69-54,460.45

Finding the Fourth Proportional to 98,856.55, 148,306.69 and 54,460.45

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Solution

The fourth proportional to 98,856.55, 148,306.69 and 54,460.45 is: 81,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.55 : 148,306.69 = 54,460.45 : x
  2. Step 2: Convert to fraction form
    98,856.55/148,306.69 = 54,460.45/x
  3. Step 3: Cross multiply
    98,856.55x = 148,306.69 × 54,460.45
  4. Step 4: Simplify right side
    98,856.55x = 8,076,848,333.88
  5. Step 5: Solve for x
    x = 8,076,848,333.88/98,856.55
  6. Step 6: Final answer
    x = 81,702.72

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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.