Home / 94,881.08-142,124.78-55,318.20

Finding the Fourth Proportional to 94,881.08, 142,124.78 and 55,318.20

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Solution

The fourth proportional to 94,881.08, 142,124.78 and 55,318.20 is: 82,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,881.08 : 142,124.78 = 55,318.20 : x
  2. Step 2: Convert to fraction form
    94,881.08/142,124.78 = 55,318.20/x
  3. Step 3: Cross multiply
    94,881.08x = 142,124.78 × 55,318.20
  4. Step 4: Simplify right side
    94,881.08x = 7,862,087,005.00
  5. Step 5: Solve for x
    x = 7,862,087,005.00/94,881.08
  6. Step 6: Final answer
    x = 82,862.54

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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.