Home / 66,335.45-91,387.19-46,157.68

Finding the Fourth Proportional to 66,335.45, 91,387.19 and 46,157.68

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Solution

The fourth proportional to 66,335.45, 91,387.19 and 46,157.68 is: 63,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,335.45 : 91,387.19 = 46,157.68 : x
  2. Step 2: Convert to fraction form
    66,335.45/91,387.19 = 46,157.68/x
  3. Step 3: Cross multiply
    66,335.45x = 91,387.19 × 46,157.68
  4. Step 4: Simplify right side
    66,335.45x = 4,218,219,984.39
  5. Step 5: Solve for x
    x = 4,218,219,984.39/66,335.45
  6. Step 6: Final answer
    x = 63,589.23

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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.