Home / 107,020.92-147,689.96-64,571.25

Finding the Fourth Proportional to 107,020.92, 147,689.96 and 64,571.25

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Solution

The fourth proportional to 107,020.92, 147,689.96 and 64,571.25 is: 89,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,020.92 : 147,689.96 = 64,571.25 : x
  2. Step 2: Convert to fraction form
    107,020.92/147,689.96 = 64,571.25/x
  3. Step 3: Cross multiply
    107,020.92x = 147,689.96 × 64,571.25
  4. Step 4: Simplify right side
    107,020.92x = 9,536,525,329.65
  5. Step 5: Solve for x
    x = 9,536,525,329.65/107,020.92
  6. Step 6: Final answer
    x = 89,108.98

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1.5x scale

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.