Home / 76,860.61-114,526.83-68,476.20

Finding the Fourth Proportional to 76,860.61, 114,526.83 and 68,476.20

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Solution

The fourth proportional to 76,860.61, 114,526.83 and 68,476.20 is: 102,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.61 : 114,526.83 = 68,476.20 : x
  2. Step 2: Convert to fraction form
    76,860.61/114,526.83 = 68,476.20/x
  3. Step 3: Cross multiply
    76,860.61x = 114,526.83 × 68,476.20
  4. Step 4: Simplify right side
    76,860.61x = 7,842,362,202.79
  5. Step 5: Solve for x
    x = 7,842,362,202.79/76,860.61
  6. Step 6: Final answer
    x = 102,033.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.