Home / 90,953.05-125,518.99-50,666.81

Finding the Fourth Proportional to 90,953.05, 125,518.99 and 50,666.81

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Solution

The fourth proportional to 90,953.05, 125,518.99 and 50,666.81 is: 69,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.05 : 125,518.99 = 50,666.81 : x
  2. Step 2: Convert to fraction form
    90,953.05/125,518.99 = 50,666.81/x
  3. Step 3: Cross multiply
    90,953.05x = 125,518.99 × 50,666.81
  4. Step 4: Simplify right side
    90,953.05x = 6,359,646,817.72
  5. Step 5: Solve for x
    x = 6,359,646,817.72/90,953.05
  6. Step 6: Final answer
    x = 69,922.30

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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.