Home / 74,030.50-102,164.70-42,194.26

Finding the Fourth Proportional to 74,030.50, 102,164.70 and 42,194.26

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Solution

The fourth proportional to 74,030.50, 102,164.70 and 42,194.26 is: 58,229.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,030.50 : 102,164.70 = 42,194.26 : x
  2. Step 2: Convert to fraction form
    74,030.50/102,164.70 = 42,194.26/x
  3. Step 3: Cross multiply
    74,030.50x = 102,164.70 × 42,194.26
  4. Step 4: Simplify right side
    74,030.50x = 4,310,763,914.62
  5. Step 5: Solve for x
    x = 4,310,763,914.62/74,030.50
  6. Step 6: Final answer
    x = 58,229.57

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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.