Home / 90,846.05-125,509.77-69,410.81

Finding the Fourth Proportional to 90,846.05, 125,509.77 and 69,410.81

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Solution

The fourth proportional to 90,846.05, 125,509.77 and 69,410.81 is: 95,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.05 : 125,509.77 = 69,410.81 : x
  2. Step 2: Convert to fraction form
    90,846.05/125,509.77 = 69,410.81/x
  3. Step 3: Cross multiply
    90,846.05x = 125,509.77 × 69,410.81
  4. Step 4: Simplify right side
    90,846.05x = 8,711,735,112.39
  5. Step 5: Solve for x
    x = 8,711,735,112.39/90,846.05
  6. Step 6: Final answer
    x = 95,895.59

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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.