Home / 76,648.37-114,987.94-26,715.06

Finding the Fourth Proportional to 76,648.37, 114,987.94 and 26,715.06

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Solution

The fourth proportional to 76,648.37, 114,987.94 and 26,715.06 is: 40,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,648.37 : 114,987.94 = 26,715.06 : x
  2. Step 2: Convert to fraction form
    76,648.37/114,987.94 = 26,715.06/x
  3. Step 3: Cross multiply
    76,648.37x = 114,987.94 × 26,715.06
  4. Step 4: Simplify right side
    76,648.37x = 3,071,909,937.06
  5. Step 5: Solve for x
    x = 3,071,909,937.06/76,648.37
  6. Step 6: Final answer
    x = 40,077.95

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1.5x scale

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.