Home / 88,631.60-122,289.47-54,167.52

Finding the Fourth Proportional to 88,631.60, 122,289.47 and 54,167.52

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Solution

The fourth proportional to 88,631.60, 122,289.47 and 54,167.52 is: 74,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.60 : 122,289.47 = 54,167.52 : x
  2. Step 2: Convert to fraction form
    88,631.60/122,289.47 = 54,167.52/x
  3. Step 3: Cross multiply
    88,631.60x = 122,289.47 × 54,167.52
  4. Step 4: Simplify right side
    88,631.60x = 6,624,117,015.01
  5. Step 5: Solve for x
    x = 6,624,117,015.01/88,631.60
  6. Step 6: Final answer
    x = 74,737.64

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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.