Home / 103,695.06-155,462.67-33,555.54

Finding the Fourth Proportional to 103,695.06, 155,462.67 and 33,555.54

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Solution

The fourth proportional to 103,695.06, 155,462.67 and 33,555.54 is: 50,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.06 : 155,462.67 = 33,555.54 : x
  2. Step 2: Convert to fraction form
    103,695.06/155,462.67 = 33,555.54/x
  3. Step 3: Cross multiply
    103,695.06x = 155,462.67 × 33,555.54
  4. Step 4: Simplify right side
    103,695.06x = 5,216,633,841.69
  5. Step 5: Solve for x
    x = 5,216,633,841.69/103,695.06
  6. Step 6: Final answer
    x = 50,307.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.