Home / 72,610.80-108,756.36-46,250.16

Finding the Fourth Proportional to 72,610.80, 108,756.36 and 46,250.16

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Solution

The fourth proportional to 72,610.80, 108,756.36 and 46,250.16 is: 69,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610.80 : 108,756.36 = 46,250.16 : x
  2. Step 2: Convert to fraction form
    72,610.80/108,756.36 = 46,250.16/x
  3. Step 3: Cross multiply
    72,610.80x = 108,756.36 × 46,250.16
  4. Step 4: Simplify right side
    72,610.80x = 5,029,999,051.02
  5. Step 5: Solve for x
    x = 5,029,999,051.02/72,610.80
  6. Step 6: Final answer
    x = 69,273.43

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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.