Home / 74,050.67-102,189.81-40,059.05

Finding the Fourth Proportional to 74,050.67, 102,189.81 and 40,059.05

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Solution

The fourth proportional to 74,050.67, 102,189.81 and 40,059.05 is: 55,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,050.67 : 102,189.81 = 40,059.05 : x
  2. Step 2: Convert to fraction form
    74,050.67/102,189.81 = 40,059.05/x
  3. Step 3: Cross multiply
    74,050.67x = 102,189.81 × 40,059.05
  4. Step 4: Simplify right side
    74,050.67x = 4,093,626,347.55
  5. Step 5: Solve for x
    x = 4,093,626,347.55/74,050.67
  6. Step 6: Final answer
    x = 55,281.42

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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.