Home / 76,625.16-114,912.93-27,931.47

Finding the Fourth Proportional to 76,625.16, 114,912.93 and 27,931.47

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Solution

The fourth proportional to 76,625.16, 114,912.93 and 27,931.47 is: 41,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625.16 : 114,912.93 = 27,931.47 : x
  2. Step 2: Convert to fraction form
    76,625.16/114,912.93 = 27,931.47/x
  3. Step 3: Cross multiply
    76,625.16x = 114,912.93 × 27,931.47
  4. Step 4: Simplify right side
    76,625.16x = 3,209,687,056.91
  5. Step 5: Solve for x
    x = 3,209,687,056.91/76,625.16
  6. Step 6: Final answer
    x = 41,888.16

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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.