Home / 76,643.47-114,965.63-26,723.32

Finding the Fourth Proportional to 76,643.47, 114,965.63 and 26,723.32

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Solution

The fourth proportional to 76,643.47, 114,965.63 and 26,723.32 is: 40,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,643.47 : 114,965.63 = 26,723.32 : x
  2. Step 2: Convert to fraction form
    76,643.47/114,965.63 = 26,723.32/x
  3. Step 3: Cross multiply
    76,643.47x = 114,965.63 × 26,723.32
  4. Step 4: Simplify right side
    76,643.47x = 3,072,262,998.67
  5. Step 5: Solve for x
    x = 3,072,262,998.67/76,643.47
  6. Step 6: Final answer
    x = 40,085.13

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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.