Home / 98,505.11-147,712.71-35,300.81

Finding the Fourth Proportional to 98,505.11, 147,712.71 and 35,300.81

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Solution

The fourth proportional to 98,505.11, 147,712.71 and 35,300.81 is: 52,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505.11 : 147,712.71 = 35,300.81 : x
  2. Step 2: Convert to fraction form
    98,505.11/147,712.71 = 35,300.81/x
  3. Step 3: Cross multiply
    98,505.11x = 147,712.71 × 35,300.81
  4. Step 4: Simplify right side
    98,505.11x = 5,214,378,811.95
  5. Step 5: Solve for x
    x = 5,214,378,811.95/98,505.11
  6. Step 6: Final answer
    x = 52,935.11

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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.