Home / 59,619.20-89,428.80-35,999.60

Finding the Fourth Proportional to 59,619.20, 89,428.80 and 35,999.60

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Solution

The fourth proportional to 59,619.20, 89,428.80 and 35,999.60 is: 53,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,619.20 : 89,428.80 = 35,999.60 : x
  2. Step 2: Convert to fraction form
    59,619.20/89,428.80 = 35,999.60/x
  3. Step 3: Cross multiply
    59,619.20x = 89,428.80 × 35,999.60
  4. Step 4: Simplify right side
    59,619.20x = 3,219,401,028.48
  5. Step 5: Solve for x
    x = 3,219,401,028.48/59,619.20
  6. Step 6: Final answer
    x = 53,999.40

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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.