Home / 91,234.03-136,850.10-28,904.53

Finding the Fourth Proportional to 91,234.03, 136,850.10 and 28,904.53

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Solution

The fourth proportional to 91,234.03, 136,850.10 and 28,904.53 is: 43,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,234.03 : 136,850.10 = 28,904.53 : x
  2. Step 2: Convert to fraction form
    91,234.03/136,850.10 = 28,904.53/x
  3. Step 3: Cross multiply
    91,234.03x = 136,850.10 × 28,904.53
  4. Step 4: Simplify right side
    91,234.03x = 3,955,587,820.95
  5. Step 5: Solve for x
    x = 3,955,587,820.95/91,234.03
  6. Step 6: Final answer
    x = 43,356.50

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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.