Home / 98,900.61-148,188.72-41,928.99

Finding the Fourth Proportional to 98,900.61, 148,188.72 and 41,928.99

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Solution

The fourth proportional to 98,900.61, 148,188.72 and 41,928.99 is: 62,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,900.61 : 148,188.72 = 41,928.99 : x
  2. Step 2: Convert to fraction form
    98,900.61/148,188.72 = 41,928.99/x
  3. Step 3: Cross multiply
    98,900.61x = 148,188.72 × 41,928.99
  4. Step 4: Simplify right side
    98,900.61x = 6,213,402,408.40
  5. Step 5: Solve for x
    x = 6,213,402,408.40/98,900.61
  6. Step 6: Final answer
    x = 62,824.72

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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.