Home / 64,565.08-96,639.30-33,357.40

Finding the Fourth Proportional to 64,565.08, 96,639.30 and 33,357.40

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Solution

The fourth proportional to 64,565.08, 96,639.30 and 33,357.40 is: 49,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.08 : 96,639.30 = 33,357.40 : x
  2. Step 2: Convert to fraction form
    64,565.08/96,639.30 = 33,357.40/x
  3. Step 3: Cross multiply
    64,565.08x = 96,639.30 × 33,357.40
  4. Step 4: Simplify right side
    64,565.08x = 3,223,635,785.82
  5. Step 5: Solve for x
    x = 3,223,635,785.82/64,565.08
  6. Step 6: Final answer
    x = 49,928.47

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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.