Home / 66,066.96-91,248.15-43,506.84

Finding the Fourth Proportional to 66,066.96, 91,248.15 and 43,506.84

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Solution

The fourth proportional to 66,066.96, 91,248.15 and 43,506.84 is: 60,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.96 : 91,248.15 = 43,506.84 : x
  2. Step 2: Convert to fraction form
    66,066.96/91,248.15 = 43,506.84/x
  3. Step 3: Cross multiply
    66,066.96x = 91,248.15 × 43,506.84
  4. Step 4: Simplify right side
    66,066.96x = 3,969,918,662.35
  5. Step 5: Solve for x
    x = 3,969,918,662.35/66,066.96
  6. Step 6: Final answer
    x = 60,089.32

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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.