Home / 77,664.54-116,422.98-49,505.55

Finding the Fourth Proportional to 77,664.54, 116,422.98 and 49,505.55

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Solution

The fourth proportional to 77,664.54, 116,422.98 and 49,505.55 is: 74,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.54 : 116,422.98 = 49,505.55 : x
  2. Step 2: Convert to fraction form
    77,664.54/116,422.98 = 49,505.55/x
  3. Step 3: Cross multiply
    77,664.54x = 116,422.98 × 49,505.55
  4. Step 4: Simplify right side
    77,664.54x = 5,763,583,657.54
  5. Step 5: Solve for x
    x = 5,763,583,657.54/77,664.54
  6. Step 6: Final answer
    x = 74,211.26

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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.