Home / 75,740.07-113,610.39-23,149.35

Finding the Fourth Proportional to 75,740.07, 113,610.39 and 23,149.35

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Solution

The fourth proportional to 75,740.07, 113,610.39 and 23,149.35 is: 34,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.07 : 113,610.39 = 23,149.35 : x
  2. Step 2: Convert to fraction form
    75,740.07/113,610.39 = 23,149.35/x
  3. Step 3: Cross multiply
    75,740.07x = 113,610.39 × 23,149.35
  4. Step 4: Simplify right side
    75,740.07x = 2,630,006,681.75
  5. Step 5: Solve for x
    x = 2,630,006,681.75/75,740.07
  6. Step 6: Final answer
    x = 34,724.11

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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.