Home / 89,996.88-124,190.60-56,004.32

Finding the Fourth Proportional to 89,996.88, 124,190.60 and 56,004.32

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Solution

The fourth proportional to 89,996.88, 124,190.60 and 56,004.32 is: 77,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,996.88 : 124,190.60 = 56,004.32 : x
  2. Step 2: Convert to fraction form
    89,996.88/124,190.60 = 56,004.32/x
  3. Step 3: Cross multiply
    89,996.88x = 124,190.60 × 56,004.32
  4. Step 4: Simplify right side
    89,996.88x = 6,955,210,103.39
  5. Step 5: Solve for x
    x = 6,955,210,103.39/89,996.88
  6. Step 6: Final answer
    x = 77,282.79

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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.