Home / 74,528.34-111,759.70-39,459.80

Finding the Fourth Proportional to 74,528.34, 111,759.70 and 39,459.80

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Solution

The fourth proportional to 74,528.34, 111,759.70 and 39,459.80 is: 59,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.34 : 111,759.70 = 39,459.80 : x
  2. Step 2: Convert to fraction form
    74,528.34/111,759.70 = 39,459.80/x
  3. Step 3: Cross multiply
    74,528.34x = 111,759.70 × 39,459.80
  4. Step 4: Simplify right side
    74,528.34x = 4,410,015,410.06
  5. Step 5: Solve for x
    x = 4,410,015,410.06/74,528.34
  6. Step 6: Final answer
    x = 59,172.33

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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.