Home / 66,037.32-91,107.59-43,388.51

Finding the Fourth Proportional to 66,037.32, 91,107.59 and 43,388.51

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Solution

The fourth proportional to 66,037.32, 91,107.59 and 43,388.51 is: 59,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037.32 : 91,107.59 = 43,388.51 : x
  2. Step 2: Convert to fraction form
    66,037.32/91,107.59 = 43,388.51/x
  3. Step 3: Cross multiply
    66,037.32x = 91,107.59 × 43,388.51
  4. Step 4: Simplify right side
    66,037.32x = 3,953,021,907.31
  5. Step 5: Solve for x
    x = 3,953,021,907.31/66,037.32
  6. Step 6: Final answer
    x = 59,860.42

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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.