Home / 77,501.96-106,253.89-76,102.28

Finding the Fourth Proportional to 77,501.96, 106,253.89 and 76,102.28

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Solution

The fourth proportional to 77,501.96, 106,253.89 and 76,102.28 is: 104,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,501.96 : 106,253.89 = 76,102.28 : x
  2. Step 2: Convert to fraction form
    77,501.96/106,253.89 = 76,102.28/x
  3. Step 3: Cross multiply
    77,501.96x = 106,253.89 × 76,102.28
  4. Step 4: Simplify right side
    77,501.96x = 8,086,163,287.87
  5. Step 5: Solve for x
    x = 8,086,163,287.87/77,501.96
  6. Step 6: Final answer
    x = 104,334.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.