Home / 92,403.98-127,401.96-77,112.56

Finding the Fourth Proportional to 92,403.98, 127,401.96 and 77,112.56

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Solution

The fourth proportional to 92,403.98, 127,401.96 and 77,112.56 is: 106,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.98 : 127,401.96 = 77,112.56 : x
  2. Step 2: Convert to fraction form
    92,403.98/127,401.96 = 77,112.56/x
  3. Step 3: Cross multiply
    92,403.98x = 127,401.96 × 77,112.56
  4. Step 4: Simplify right side
    92,403.98x = 9,824,291,284.62
  5. Step 5: Solve for x
    x = 9,824,291,284.62/92,403.98
  6. Step 6: Final answer
    x = 106,318.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.