Home / 64,319.05-96,585.50-43,393.71

Finding the Fourth Proportional to 64,319.05, 96,585.50 and 43,393.71

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Solution

The fourth proportional to 64,319.05, 96,585.50 and 43,393.71 is: 65,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.05 : 96,585.50 = 43,393.71 : x
  2. Step 2: Convert to fraction form
    64,319.05/96,585.50 = 43,393.71/x
  3. Step 3: Cross multiply
    64,319.05x = 96,585.50 × 43,393.71
  4. Step 4: Simplify right side
    64,319.05x = 4,191,203,177.21
  5. Step 5: Solve for x
    x = 4,191,203,177.21/64,319.05
  6. Step 6: Final answer
    x = 65,162.70

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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.