Home / 97,928.24-135,140.64-55,494.86

Finding the Fourth Proportional to 97,928.24, 135,140.64 and 55,494.86

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Solution

The fourth proportional to 97,928.24, 135,140.64 and 55,494.86 is: 76,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,928.24 : 135,140.64 = 55,494.86 : x
  2. Step 2: Convert to fraction form
    97,928.24/135,140.64 = 55,494.86/x
  3. Step 3: Cross multiply
    97,928.24x = 135,140.64 × 55,494.86
  4. Step 4: Simplify right side
    97,928.24x = 7,499,610,897.11
  5. Step 5: Solve for x
    x = 7,499,610,897.11/97,928.24
  6. Step 6: Final answer
    x = 76,582.72

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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.