Home / 101,771.24-140,421.83-58,741.57

Finding the Fourth Proportional to 101,771.24, 140,421.83 and 58,741.57

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Solution

The fourth proportional to 101,771.24, 140,421.83 and 58,741.57 is: 81,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771.24 : 140,421.83 = 58,741.57 : x
  2. Step 2: Convert to fraction form
    101,771.24/140,421.83 = 58,741.57/x
  3. Step 3: Cross multiply
    101,771.24x = 140,421.83 × 58,741.57
  4. Step 4: Simplify right side
    101,771.24x = 8,248,598,756.47
  5. Step 5: Solve for x
    x = 8,248,598,756.47/101,771.24
  6. Step 6: Final answer
    x = 81,050.39

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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.