Home / 94,405.92-130,280.58-54,122.01

Finding the Fourth Proportional to 94,405.92, 130,280.58 and 54,122.01

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Solution

The fourth proportional to 94,405.92, 130,280.58 and 54,122.01 is: 74,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,405.92 : 130,280.58 = 54,122.01 : x
  2. Step 2: Convert to fraction form
    94,405.92/130,280.58 = 54,122.01/x
  3. Step 3: Cross multiply
    94,405.92x = 130,280.58 × 54,122.01
  4. Step 4: Simplify right side
    94,405.92x = 7,051,046,853.57
  5. Step 5: Solve for x
    x = 7,051,046,853.57/94,405.92
  6. Step 6: Final answer
    x = 74,688.61

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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.