Home / 66,480.16-91,701.84-45,268.96

Finding the Fourth Proportional to 66,480.16, 91,701.84 and 45,268.96

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Solution

The fourth proportional to 66,480.16, 91,701.84 and 45,268.96 is: 62,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.16 : 91,701.84 = 45,268.96 : x
  2. Step 2: Convert to fraction form
    66,480.16/91,701.84 = 45,268.96/x
  3. Step 3: Cross multiply
    66,480.16x = 91,701.84 × 45,268.96
  4. Step 4: Simplify right side
    66,480.16x = 4,151,246,926.89
  5. Step 5: Solve for x
    x = 4,151,246,926.89/66,480.16
  6. Step 6: Final answer
    x = 62,443.40

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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.