Home / 94,311.93-130,147.83-51,870.45

Finding the Fourth Proportional to 94,311.93, 130,147.83 and 51,870.45

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Solution

The fourth proportional to 94,311.93, 130,147.83 and 51,870.45 is: 71,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.93 : 130,147.83 = 51,870.45 : x
  2. Step 2: Convert to fraction form
    94,311.93/130,147.83 = 51,870.45/x
  3. Step 3: Cross multiply
    94,311.93x = 130,147.83 × 51,870.45
  4. Step 4: Simplify right side
    94,311.93x = 6,750,826,508.62
  5. Step 5: Solve for x
    x = 6,750,826,508.62/94,311.93
  6. Step 6: Final answer
    x = 71,579.77

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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.