Home / 64,074.08-88,422.30-35,779.76

Finding the Fourth Proportional to 64,074.08, 88,422.30 and 35,779.76

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Solution

The fourth proportional to 64,074.08, 88,422.30 and 35,779.76 is: 49,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.08 : 88,422.30 = 35,779.76 : x
  2. Step 2: Convert to fraction form
    64,074.08/88,422.30 = 35,779.76/x
  3. Step 3: Cross multiply
    64,074.08x = 88,422.30 × 35,779.76
  4. Step 4: Simplify right side
    64,074.08x = 3,163,728,672.65
  5. Step 5: Solve for x
    x = 3,163,728,672.65/64,074.08
  6. Step 6: Final answer
    x = 49,376.11

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1.5x scale

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.