Home / 105,500.52-158,038.80-49,263.06

Finding the Fourth Proportional to 105,500.52, 158,038.80 and 49,263.06

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Solution

The fourth proportional to 105,500.52, 158,038.80 and 49,263.06 is: 73,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,500.52 : 158,038.80 = 49,263.06 : x
  2. Step 2: Convert to fraction form
    105,500.52/158,038.80 = 49,263.06/x
  3. Step 3: Cross multiply
    105,500.52x = 158,038.80 × 49,263.06
  4. Step 4: Simplify right side
    105,500.52x = 7,785,474,886.73
  5. Step 5: Solve for x
    x = 7,785,474,886.73/105,500.52
  6. Step 6: Final answer
    x = 73,795.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.