Home / 76,681.08-105,785.80-44,835.93

Finding the Fourth Proportional to 76,681.08, 105,785.80 and 44,835.93

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Solution

The fourth proportional to 76,681.08, 105,785.80 and 44,835.93 is: 61,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,681.08 : 105,785.80 = 44,835.93 : x
  2. Step 2: Convert to fraction form
    76,681.08/105,785.80 = 44,835.93/x
  3. Step 3: Cross multiply
    76,681.08x = 105,785.80 × 44,835.93
  4. Step 4: Simplify right side
    76,681.08x = 4,743,004,611.70
  5. Step 5: Solve for x
    x = 4,743,004,611.70/76,681.08
  6. Step 6: Final answer
    x = 61,853.65

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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.