Home / 97,214.08-134,145.84-54,780.16

Finding the Fourth Proportional to 97,214.08, 134,145.84 and 54,780.16

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Solution

The fourth proportional to 97,214.08, 134,145.84 and 54,780.16 is: 75,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,214.08 : 134,145.84 = 54,780.16 : x
  2. Step 2: Convert to fraction form
    97,214.08/134,145.84 = 54,780.16/x
  3. Step 3: Cross multiply
    97,214.08x = 134,145.84 × 54,780.16
  4. Step 4: Simplify right side
    97,214.08x = 7,348,530,578.53
  5. Step 5: Solve for x
    x = 7,348,530,578.53/97,214.08
  6. Step 6: Final answer
    x = 75,591.22

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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.