Home / 96,720.27-133,476.60-54,281.40

Finding the Fourth Proportional to 96,720.27, 133,476.60 and 54,281.40

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Solution

The fourth proportional to 96,720.27, 133,476.60 and 54,281.40 is: 74,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720.27 : 133,476.60 = 54,281.40 : x
  2. Step 2: Convert to fraction form
    96,720.27/133,476.60 = 54,281.40/x
  3. Step 3: Cross multiply
    96,720.27x = 133,476.60 × 54,281.40
  4. Step 4: Simplify right side
    96,720.27x = 7,245,296,715.24
  5. Step 5: Solve for x
    x = 7,245,296,715.24/96,720.27
  6. Step 6: Final answer
    x = 74,909.81

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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.