Home / 97,021.68-133,889.40-54,580.48

Finding the Fourth Proportional to 97,021.68, 133,889.40 and 54,580.48

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Solution

The fourth proportional to 97,021.68, 133,889.40 and 54,580.48 is: 75,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,021.68 : 133,889.40 = 54,580.48 : x
  2. Step 2: Convert to fraction form
    97,021.68/133,889.40 = 54,580.48/x
  3. Step 3: Cross multiply
    97,021.68x = 133,889.40 × 54,580.48
  4. Step 4: Simplify right side
    97,021.68x = 7,307,747,718.91
  5. Step 5: Solve for x
    x = 7,307,747,718.91/97,021.68
  6. Step 6: Final answer
    x = 75,320.77

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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.