Home / 96,540.21-133,225.70-53,520.39

Finding the Fourth Proportional to 96,540.21, 133,225.70 and 53,520.39

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Solution

The fourth proportional to 96,540.21, 133,225.70 and 53,520.39 is: 73,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.21 : 133,225.70 = 53,520.39 : x
  2. Step 2: Convert to fraction form
    96,540.21/133,225.70 = 53,520.39/x
  3. Step 3: Cross multiply
    96,540.21x = 133,225.70 × 53,520.39
  4. Step 4: Simplify right side
    96,540.21x = 7,130,291,154.42
  5. Step 5: Solve for x
    x = 7,130,291,154.42/96,540.21
  6. Step 6: Final answer
    x = 73,858.25

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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.