Home / 90,662.60-125,112.11-50,376.47

Finding the Fourth Proportional to 90,662.60, 125,112.11 and 50,376.47

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Solution

The fourth proportional to 90,662.60, 125,112.11 and 50,376.47 is: 69,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,662.60 : 125,112.11 = 50,376.47 : x
  2. Step 2: Convert to fraction form
    90,662.60/125,112.11 = 50,376.47/x
  3. Step 3: Cross multiply
    90,662.60x = 125,112.11 × 50,376.47
  4. Step 4: Simplify right side
    90,662.60x = 6,302,706,050.89
  5. Step 5: Solve for x
    x = 6,302,706,050.89/90,662.60
  6. Step 6: Final answer
    x = 69,518.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.