Home / 64,479.08-96,718.18-45,425.32

Finding the Fourth Proportional to 64,479.08, 96,718.18 and 45,425.32

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Solution

The fourth proportional to 64,479.08, 96,718.18 and 45,425.32 is: 68,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.08 : 96,718.18 = 45,425.32 : x
  2. Step 2: Convert to fraction form
    64,479.08/96,718.18 = 45,425.32/x
  3. Step 3: Cross multiply
    64,479.08x = 96,718.18 × 45,425.32
  4. Step 4: Simplify right side
    64,479.08x = 4,393,454,276.32
  5. Step 5: Solve for x
    x = 4,393,454,276.32/64,479.08
  6. Step 6: Final answer
    x = 68,137.67

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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.