Home / 107,572.48-148,453.68-59,176.54

Finding the Fourth Proportional to 107,572.48, 148,453.68 and 59,176.54

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Solution

The fourth proportional to 107,572.48, 148,453.68 and 59,176.54 is: 81,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.48 : 148,453.68 = 59,176.54 : x
  2. Step 2: Convert to fraction form
    107,572.48/148,453.68 = 59,176.54/x
  3. Step 3: Cross multiply
    107,572.48x = 148,453.68 × 59,176.54
  4. Step 4: Simplify right side
    107,572.48x = 8,784,975,132.67
  5. Step 5: Solve for x
    x = 8,784,975,132.67/107,572.48
  6. Step 6: Final answer
    x = 81,665.64

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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.