Home / 98,836.79-136,428.08-60,074.50

Finding the Fourth Proportional to 98,836.79, 136,428.08 and 60,074.50

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Solution

The fourth proportional to 98,836.79, 136,428.08 and 60,074.50 is: 82,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,836.79 : 136,428.08 = 60,074.50 : x
  2. Step 2: Convert to fraction form
    98,836.79/136,428.08 = 60,074.50/x
  3. Step 3: Cross multiply
    98,836.79x = 136,428.08 × 60,074.50
  4. Step 4: Simplify right side
    98,836.79x = 8,195,848,325.67
  5. Step 5: Solve for x
    x = 8,195,848,325.67/98,836.79
  6. Step 6: Final answer
    x = 82,923.05

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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.