Home / 103,340.40-154,881.19-44,106.72

Finding the Fourth Proportional to 103,340.40, 154,881.19 and 44,106.72

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Solution

The fourth proportional to 103,340.40, 154,881.19 and 44,106.72 is: 66,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340.40 : 154,881.19 = 44,106.72 : x
  2. Step 2: Convert to fraction form
    103,340.40/154,881.19 = 44,106.72/x
  3. Step 3: Cross multiply
    103,340.40x = 154,881.19 × 44,106.72
  4. Step 4: Simplify right side
    103,340.40x = 6,831,301,280.60
  5. Step 5: Solve for x
    x = 6,831,301,280.60/103,340.40
  6. Step 6: Final answer
    x = 66,104.85

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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.