Home / 76,278.06-114,435.63-23,688

Finding the Fourth Proportional to 76,278.06, 114,435.63 and 23,688

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Solution

The fourth proportional to 76,278.06, 114,435.63 and 23,688 is: 35,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278.06 : 114,435.63 = 23,688 : x
  2. Step 2: Convert to fraction form
    76,278.06/114,435.63 = 23,688/x
  3. Step 3: Cross multiply
    76,278.06x = 114,435.63 × 23,688
  4. Step 4: Simplify right side
    76,278.06x = 2,710,751,203.44
  5. Step 5: Solve for x
    x = 2,710,751,203.44/76,278.06
  6. Step 6: Final answer
    x = 35,537.76

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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.