Home / 65,575.08-90,493.14-37,280.76

Finding the Fourth Proportional to 65,575.08, 90,493.14 and 37,280.76

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Solution

The fourth proportional to 65,575.08, 90,493.14 and 37,280.76 is: 51,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.08 : 90,493.14 = 37,280.76 : x
  2. Step 2: Convert to fraction form
    65,575.08/90,493.14 = 37,280.76/x
  3. Step 3: Cross multiply
    65,575.08x = 90,493.14 × 37,280.76
  4. Step 4: Simplify right side
    65,575.08x = 3,373,653,033.99
  5. Step 5: Solve for x
    x = 3,373,653,033.99/65,575.08
  6. Step 6: Final answer
    x = 51,447.18

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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.