Home / 64,565.64-89,107.44-39,085.92

Finding the Fourth Proportional to 64,565.64, 89,107.44 and 39,085.92

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Solution

The fourth proportional to 64,565.64, 89,107.44 and 39,085.92 is: 53,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,565.64 : 89,107.44 = 39,085.92 : x
  2. Step 2: Convert to fraction form
    64,565.64/89,107.44 = 39,085.92/x
  3. Step 3: Cross multiply
    64,565.64x = 89,107.44 × 39,085.92
  4. Step 4: Simplify right side
    64,565.64x = 3,482,846,271.24
  5. Step 5: Solve for x
    x = 3,482,846,271.24/64,565.64
  6. Step 6: Final answer
    x = 53,942.72

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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.