Home / 90,192.29-124,460.96-49,905.32

Finding the Fourth Proportional to 90,192.29, 124,460.96 and 49,905.32

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Solution

The fourth proportional to 90,192.29, 124,460.96 and 49,905.32 is: 68,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192.29 : 124,460.96 = 49,905.32 : x
  2. Step 2: Convert to fraction form
    90,192.29/124,460.96 = 49,905.32/x
  3. Step 3: Cross multiply
    90,192.29x = 124,460.96 × 49,905.32
  4. Step 4: Simplify right side
    90,192.29x = 6,211,263,164.48
  5. Step 5: Solve for x
    x = 6,211,263,164.48/90,192.29
  6. Step 6: Final answer
    x = 68,866.90

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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.