Home / 66,621.46-91,895.34-50,670.94

Finding the Fourth Proportional to 66,621.46, 91,895.34 and 50,670.94

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Solution

The fourth proportional to 66,621.46, 91,895.34 and 50,670.94 is: 69,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,621.46 : 91,895.34 = 50,670.94 : x
  2. Step 2: Convert to fraction form
    66,621.46/91,895.34 = 50,670.94/x
  3. Step 3: Cross multiply
    66,621.46x = 91,895.34 × 50,670.94
  4. Step 4: Simplify right side
    66,621.46x = 4,656,423,259.42
  5. Step 5: Solve for x
    x = 4,656,423,259.42/66,621.46
  6. Step 6: Final answer
    x = 69,893.74

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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.