Home / 89,965.08-134,947.80-23,405.10

Finding the Fourth Proportional to 89,965.08, 134,947.80 and 23,405.10

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Solution

The fourth proportional to 89,965.08, 134,947.80 and 23,405.10 is: 35,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965.08 : 134,947.80 = 23,405.10 : x
  2. Step 2: Convert to fraction form
    89,965.08/134,947.80 = 23,405.10/x
  3. Step 3: Cross multiply
    89,965.08x = 134,947.80 × 23,405.10
  4. Step 4: Simplify right side
    89,965.08x = 3,158,467,172.07
  5. Step 5: Solve for x
    x = 3,158,467,172.07/89,965.08
  6. Step 6: Final answer
    x = 35,107.70

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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.