Home / 94,172.93-129,901.07-55,906.50

Finding the Fourth Proportional to 94,172.93, 129,901.07 and 55,906.50

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Solution

The fourth proportional to 94,172.93, 129,901.07 and 55,906.50 is: 77,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,172.93 : 129,901.07 = 55,906.50 : x
  2. Step 2: Convert to fraction form
    94,172.93/129,901.07 = 55,906.50/x
  3. Step 3: Cross multiply
    94,172.93x = 129,901.07 × 55,906.50
  4. Step 4: Simplify right side
    94,172.93x = 7,262,314,169.96
  5. Step 5: Solve for x
    x = 7,262,314,169.96/94,172.93
  6. Step 6: Final answer
    x = 77,116.79

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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.