Home / 58,031.85-79,562.41-56,982.09

Finding the Fourth Proportional to 58,031.85, 79,562.41 and 56,982.09

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Solution

The fourth proportional to 58,031.85, 79,562.41 and 56,982.09 is: 78,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,031.85 : 79,562.41 = 56,982.09 : x
  2. Step 2: Convert to fraction form
    58,031.85/79,562.41 = 56,982.09/x
  3. Step 3: Cross multiply
    58,031.85x = 79,562.41 × 56,982.09
  4. Step 4: Simplify right side
    58,031.85x = 4,533,632,122.33
  5. Step 5: Solve for x
    x = 4,533,632,122.33/58,031.85
  6. Step 6: Final answer
    x = 78,123.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.