Home / 58,308.48-80,609.22-57,775.70

Finding the Fourth Proportional to 58,308.48, 80,609.22 and 57,775.70

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Solution

The fourth proportional to 58,308.48, 80,609.22 and 57,775.70 is: 79,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,308.48 : 80,609.22 = 57,775.70 : x
  2. Step 2: Convert to fraction form
    58,308.48/80,609.22 = 57,775.70/x
  3. Step 3: Cross multiply
    58,308.48x = 80,609.22 × 57,775.70
  4. Step 4: Simplify right side
    58,308.48x = 4,657,253,708.91
  5. Step 5: Solve for x
    x = 4,657,253,708.91/58,308.48
  6. Step 6: Final answer
    x = 79,872.67

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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.