Home / 65,799.93-98,698.28-30,778.77

Finding the Fourth Proportional to 65,799.93, 98,698.28 and 30,778.77

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Solution

The fourth proportional to 65,799.93, 98,698.28 and 30,778.77 is: 46,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,799.93 : 98,698.28 = 30,778.77 : x
  2. Step 2: Convert to fraction form
    65,799.93/98,698.28 = 30,778.77/x
  3. Step 3: Cross multiply
    65,799.93x = 98,698.28 × 30,778.77
  4. Step 4: Simplify right side
    65,799.93x = 3,037,811,505.62
  5. Step 5: Solve for x
    x = 3,037,811,505.62/65,799.93
  6. Step 6: Final answer
    x = 46,167.40

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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.