Home / 66,548.14-91,766.51-43,858.10

Finding the Fourth Proportional to 66,548.14, 91,766.51 and 43,858.10

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Solution

The fourth proportional to 66,548.14, 91,766.51 and 43,858.10 is: 60,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.14 : 91,766.51 = 43,858.10 : x
  2. Step 2: Convert to fraction form
    66,548.14/91,766.51 = 43,858.10/x
  3. Step 3: Cross multiply
    66,548.14x = 91,766.51 × 43,858.10
  4. Step 4: Simplify right side
    66,548.14x = 4,024,704,772.23
  5. Step 5: Solve for x
    x = 4,024,704,772.23/66,548.14
  6. Step 6: Final answer
    x = 60,478.10

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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.