Home / 90,984.64-125,557.52-50,700.10

Finding the Fourth Proportional to 90,984.64, 125,557.52 and 50,700.10

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Solution

The fourth proportional to 90,984.64, 125,557.52 and 50,700.10 is: 69,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,984.64 : 125,557.52 = 50,700.10 : x
  2. Step 2: Convert to fraction form
    90,984.64/125,557.52 = 50,700.10/x
  3. Step 3: Cross multiply
    90,984.64x = 125,557.52 × 50,700.10
  4. Step 4: Simplify right side
    90,984.64x = 6,365,778,191.96
  5. Step 5: Solve for x
    x = 6,365,778,191.96/90,984.64
  6. Step 6: Final answer
    x = 69,965.42

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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.