Home / 64,020.85-96,031.28-50,657.65

Finding the Fourth Proportional to 64,020.85, 96,031.28 and 50,657.65

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Solution

The fourth proportional to 64,020.85, 96,031.28 and 50,657.65 is: 75,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.85 : 96,031.28 = 50,657.65 : x
  2. Step 2: Convert to fraction form
    64,020.85/96,031.28 = 50,657.65/x
  3. Step 3: Cross multiply
    64,020.85x = 96,031.28 × 50,657.65
  4. Step 4: Simplify right side
    64,020.85x = 4,864,718,718.00
  5. Step 5: Solve for x
    x = 4,864,718,718.00/64,020.85
  6. Step 6: Final answer
    x = 75,986.48

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1.5x scale

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.