Home / 58,936.80-88,405.20-52,485.60

Finding the Fourth Proportional to 58,936.80, 88,405.20 and 52,485.60

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Solution

The fourth proportional to 58,936.80, 88,405.20 and 52,485.60 is: 78,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,936.80 : 88,405.20 = 52,485.60 : x
  2. Step 2: Convert to fraction form
    58,936.80/88,405.20 = 52,485.60/x
  3. Step 3: Cross multiply
    58,936.80x = 88,405.20 × 52,485.60
  4. Step 4: Simplify right side
    58,936.80x = 4,639,999,965.12
  5. Step 5: Solve for x
    x = 4,639,999,965.12/58,936.80
  6. Step 6: Final answer
    x = 78,728.40

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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.