Home / 66,103.28-99,056.47-36,529.57

Finding the Fourth Proportional to 66,103.28, 99,056.47 and 36,529.57

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Solution

The fourth proportional to 66,103.28, 99,056.47 and 36,529.57 is: 54,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,103.28 : 99,056.47 = 36,529.57 : x
  2. Step 2: Convert to fraction form
    66,103.28/99,056.47 = 36,529.57/x
  3. Step 3: Cross multiply
    66,103.28x = 99,056.47 × 36,529.57
  4. Step 4: Simplify right side
    66,103.28x = 3,618,490,254.82
  5. Step 5: Solve for x
    x = 3,618,490,254.82/66,103.28
  6. Step 6: Final answer
    x = 54,739.95

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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.