Home / 76,860.47-114,526.61-68,476.06

Finding the Fourth Proportional to 76,860.47, 114,526.61 and 68,476.06

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Solution

The fourth proportional to 76,860.47, 114,526.61 and 68,476.06 is: 102,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.47 : 114,526.61 = 68,476.06 : x
  2. Step 2: Convert to fraction form
    76,860.47/114,526.61 = 68,476.06/x
  3. Step 3: Cross multiply
    76,860.47x = 114,526.61 × 68,476.06
  4. Step 4: Simplify right side
    76,860.47x = 7,842,331,460.70
  5. Step 5: Solve for x
    x = 7,842,331,460.70/76,860.47
  6. Step 6: Final answer
    x = 102,033.35

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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.