Home / 53,867.15-80,804.24-43,985.15

Finding the Fourth Proportional to 53,867.15, 80,804.24 and 43,985.15

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Solution

The fourth proportional to 53,867.15, 80,804.24 and 43,985.15 is: 65,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,867.15 : 80,804.24 = 43,985.15 : x
  2. Step 2: Convert to fraction form
    53,867.15/80,804.24 = 43,985.15/x
  3. Step 3: Cross multiply
    53,867.15x = 80,804.24 × 43,985.15
  4. Step 4: Simplify right side
    53,867.15x = 3,554,186,617.04
  5. Step 5: Solve for x
    x = 3,554,186,617.04/53,867.15
  6. Step 6: Final answer
    x = 65,980.60

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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.