Home / 91,120.58-136,570.06-64,474.25

Finding the Fourth Proportional to 91,120.58, 136,570.06 and 64,474.25

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Solution

The fourth proportional to 91,120.58, 136,570.06 and 64,474.25 is: 96,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,120.58 : 136,570.06 = 64,474.25 : x
  2. Step 2: Convert to fraction form
    91,120.58/136,570.06 = 64,474.25/x
  3. Step 3: Cross multiply
    91,120.58x = 136,570.06 × 64,474.25
  4. Step 4: Simplify right side
    91,120.58x = 8,805,252,730.29
  5. Step 5: Solve for x
    x = 8,805,252,730.29/91,120.58
  6. Step 6: Final answer
    x = 96,632.97

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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.