Home / 66,170.54-91,319.43-37,875.58

Finding the Fourth Proportional to 66,170.54, 91,319.43 and 37,875.58

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Solution

The fourth proportional to 66,170.54, 91,319.43 and 37,875.58 is: 52,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170.54 : 91,319.43 = 37,875.58 : x
  2. Step 2: Convert to fraction form
    66,170.54/91,319.43 = 37,875.58/x
  3. Step 3: Cross multiply
    66,170.54x = 91,319.43 × 37,875.58
  4. Step 4: Simplify right side
    66,170.54x = 3,458,776,376.52
  5. Step 5: Solve for x
    x = 3,458,776,376.52/66,170.54
  6. Step 6: Final answer
    x = 52,270.64

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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.