Home / 52,716.80-72,739.95-31,224.26

Finding the Fourth Proportional to 52,716.80, 72,739.95 and 31,224.26

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Solution

The fourth proportional to 52,716.80, 72,739.95 and 31,224.26 is: 43,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.80 : 72,739.95 = 31,224.26 : x
  2. Step 2: Convert to fraction form
    52,716.80/72,739.95 = 31,224.26/x
  3. Step 3: Cross multiply
    52,716.80x = 72,739.95 × 31,224.26
  4. Step 4: Simplify right side
    52,716.80x = 2,271,251,111.19
  5. Step 5: Solve for x
    x = 2,271,251,111.19/52,716.80
  6. Step 6: Final answer
    x = 43,084.01

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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.