Home / 74,527.50-102,817.60-42,255.33

Finding the Fourth Proportional to 74,527.50, 102,817.60 and 42,255.33

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Solution

The fourth proportional to 74,527.50, 102,817.60 and 42,255.33 is: 58,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.50 : 102,817.60 = 42,255.33 : x
  2. Step 2: Convert to fraction form
    74,527.50/102,817.60 = 42,255.33/x
  3. Step 3: Cross multiply
    74,527.50x = 102,817.60 × 42,255.33
  4. Step 4: Simplify right side
    74,527.50x = 4,344,591,617.81
  5. Step 5: Solve for x
    x = 4,344,591,617.81/74,527.50
  6. Step 6: Final answer
    x = 58,295.15

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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.