Home / 66,138.48-91,297.26-46,007.06

Finding the Fourth Proportional to 66,138.48, 91,297.26 and 46,007.06

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Solution

The fourth proportional to 66,138.48, 91,297.26 and 46,007.06 is: 63,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,138.48 : 91,297.26 = 46,007.06 : x
  2. Step 2: Convert to fraction form
    66,138.48/91,297.26 = 46,007.06/x
  3. Step 3: Cross multiply
    66,138.48x = 91,297.26 × 46,007.06
  4. Step 4: Simplify right side
    66,138.48x = 4,200,318,062.17
  5. Step 5: Solve for x
    x = 4,200,318,062.17/66,138.48
  6. Step 6: Final answer
    x = 63,507.93

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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.