Home / 97,854.20-135,080.14-66,066.16

Finding the Fourth Proportional to 97,854.20, 135,080.14 and 66,066.16

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Solution

The fourth proportional to 97,854.20, 135,080.14 and 66,066.16 is: 91,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,854.20 : 135,080.14 = 66,066.16 : x
  2. Step 2: Convert to fraction form
    97,854.20/135,080.14 = 66,066.16/x
  3. Step 3: Cross multiply
    97,854.20x = 135,080.14 × 66,066.16
  4. Step 4: Simplify right side
    97,854.20x = 8,924,226,142.06
  5. Step 5: Solve for x
    x = 8,924,226,142.06/97,854.20
  6. Step 6: Final answer
    x = 91,199.21

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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.