Home / 66,256.18-91,463.38-43,607.06

Finding the Fourth Proportional to 66,256.18, 91,463.38 and 43,607.06

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Solution

The fourth proportional to 66,256.18, 91,463.38 and 43,607.06 is: 60,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.18 : 91,463.38 = 43,607.06 : x
  2. Step 2: Convert to fraction form
    66,256.18/91,463.38 = 43,607.06/x
  3. Step 3: Cross multiply
    66,256.18x = 91,463.38 × 43,607.06
  4. Step 4: Simplify right side
    66,256.18x = 3,988,448,876.12
  5. Step 5: Solve for x
    x = 3,988,448,876.12/66,256.18
  6. Step 6: Final answer
    x = 60,197.39

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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.