Home / 99,713.57-149,445.62-49,807.60

Finding the Fourth Proportional to 99,713.57, 149,445.62 and 49,807.60

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Solution

The fourth proportional to 99,713.57, 149,445.62 and 49,807.60 is: 74,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.57 : 149,445.62 = 49,807.60 : x
  2. Step 2: Convert to fraction form
    99,713.57/149,445.62 = 49,807.60/x
  3. Step 3: Cross multiply
    99,713.57x = 149,445.62 × 49,807.60
  4. Step 4: Simplify right side
    99,713.57x = 7,443,527,413.62
  5. Step 5: Solve for x
    x = 7,443,527,413.62/99,713.57
  6. Step 6: Final answer
    x = 74,649.09

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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.