Home / 66,158.15-91,297.86-35,943.23

Finding the Fourth Proportional to 66,158.15, 91,297.86 and 35,943.23

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Solution

The fourth proportional to 66,158.15, 91,297.86 and 35,943.23 is: 49,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.15 : 91,297.86 = 35,943.23 : x
  2. Step 2: Convert to fraction form
    66,158.15/91,297.86 = 35,943.23/x
  3. Step 3: Cross multiply
    66,158.15x = 91,297.86 × 35,943.23
  4. Step 4: Simplify right side
    66,158.15x = 3,281,539,980.49
  5. Step 5: Solve for x
    x = 3,281,539,980.49/66,158.15
  6. Step 6: Final answer
    x = 49,601.45

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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.