Home / 103,622.13-155,458.71-33,501.45

Finding the Fourth Proportional to 103,622.13, 155,458.71 and 33,501.45

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Solution

The fourth proportional to 103,622.13, 155,458.71 and 33,501.45 is: 50,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.13 : 155,458.71 = 33,501.45 : x
  2. Step 2: Convert to fraction form
    103,622.13/155,458.71 = 33,501.45/x
  3. Step 3: Cross multiply
    103,622.13x = 155,458.71 × 33,501.45
  4. Step 4: Simplify right side
    103,622.13x = 5,208,092,200.13
  5. Step 5: Solve for x
    x = 5,208,092,200.13/103,622.13
  6. Step 6: Final answer
    x = 50,260.42

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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.