Home / 66,940.75-92,343.54-45,423.10

Finding the Fourth Proportional to 66,940.75, 92,343.54 and 45,423.10

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Solution

The fourth proportional to 66,940.75, 92,343.54 and 45,423.10 is: 62,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,940.75 : 92,343.54 = 45,423.10 : x
  2. Step 2: Convert to fraction form
    66,940.75/92,343.54 = 45,423.10/x
  3. Step 3: Cross multiply
    66,940.75x = 92,343.54 × 45,423.10
  4. Step 4: Simplify right side
    66,940.75x = 4,194,529,851.77
  5. Step 5: Solve for x
    x = 4,194,529,851.77/66,940.75
  6. Step 6: Final answer
    x = 62,660.34

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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.