Home / 92,941.40-139,258.20-53,429.60

Finding the Fourth Proportional to 92,941.40, 139,258.20 and 53,429.60

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Solution

The fourth proportional to 92,941.40, 139,258.20 and 53,429.60 is: 80,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941.40 : 139,258.20 = 53,429.60 : x
  2. Step 2: Convert to fraction form
    92,941.40/139,258.20 = 53,429.60/x
  3. Step 3: Cross multiply
    92,941.40x = 139,258.20 × 53,429.60
  4. Step 4: Simplify right side
    92,941.40x = 7,440,509,922.72
  5. Step 5: Solve for x
    x = 7,440,509,922.72/92,941.40
  6. Step 6: Final answer
    x = 80,055.93

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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.