Home / 97,587.88-134,679.20-55,155.24

Finding the Fourth Proportional to 97,587.88, 134,679.20 and 55,155.24

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Solution

The fourth proportional to 97,587.88, 134,679.20 and 55,155.24 is: 76,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,587.88 : 134,679.20 = 55,155.24 : x
  2. Step 2: Convert to fraction form
    97,587.88/134,679.20 = 55,155.24/x
  3. Step 3: Cross multiply
    97,587.88x = 134,679.20 × 55,155.24
  4. Step 4: Simplify right side
    97,587.88x = 7,428,263,599.01
  5. Step 5: Solve for x
    x = 7,428,263,599.01/97,587.88
  6. Step 6: Final answer
    x = 76,118.71

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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.