Home / 97,217-134,217.78-63,741.32

Finding the Fourth Proportional to 97,217, 134,217.78 and 63,741.32

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Solution

The fourth proportional to 97,217, 134,217.78 and 63,741.32 is: 88,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,217 : 134,217.78 = 63,741.32 : x
  2. Step 2: Convert to fraction form
    97,217/134,217.78 = 63,741.32/x
  3. Step 3: Cross multiply
    97,217x = 134,217.78 × 63,741.32
  4. Step 4: Simplify right side
    97,217x = 8,555,218,464.67
  5. Step 5: Solve for x
    x = 8,555,218,464.67/97,217
  6. Step 6: Final answer
    x = 88,001.26

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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.