Home / 75,623.60-113,435.40-63,813.80

Finding the Fourth Proportional to 75,623.60, 113,435.40 and 63,813.80

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Solution

The fourth proportional to 75,623.60, 113,435.40 and 63,813.80 is: 95,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.60 : 113,435.40 = 63,813.80 : x
  2. Step 2: Convert to fraction form
    75,623.60/113,435.40 = 63,813.80/x
  3. Step 3: Cross multiply
    75,623.60x = 113,435.40 × 63,813.80
  4. Step 4: Simplify right side
    75,623.60x = 7,238,743,928.52
  5. Step 5: Solve for x
    x = 7,238,743,928.52/75,623.60
  6. Step 6: Final answer
    x = 95,720.70

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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.