Home / 73,352.50-101,228.64-39,820.66

Finding the Fourth Proportional to 73,352.50, 101,228.64 and 39,820.66

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Solution

The fourth proportional to 73,352.50, 101,228.64 and 39,820.66 is: 54,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,352.50 : 101,228.64 = 39,820.66 : x
  2. Step 2: Convert to fraction form
    73,352.50/101,228.64 = 39,820.66/x
  3. Step 3: Cross multiply
    73,352.50x = 101,228.64 × 39,820.66
  4. Step 4: Simplify right side
    73,352.50x = 4,030,991,255.70
  5. Step 5: Solve for x
    x = 4,030,991,255.70/73,352.50
  6. Step 6: Final answer
    x = 54,953.70

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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.