Home / 70,431.12-97,187.04-43,590.96

Finding the Fourth Proportional to 70,431.12, 97,187.04 and 43,590.96

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Solution

The fourth proportional to 70,431.12, 97,187.04 and 43,590.96 is: 60,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.12 : 97,187.04 = 43,590.96 : x
  2. Step 2: Convert to fraction form
    70,431.12/97,187.04 = 43,590.96/x
  3. Step 3: Cross multiply
    70,431.12x = 97,187.04 × 43,590.96
  4. Step 4: Simplify right side
    70,431.12x = 4,236,476,373.16
  5. Step 5: Solve for x
    x = 4,236,476,373.16/70,431.12
  6. Step 6: Final answer
    x = 60,150.63

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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.