Home / 70,728.76-106,106.25-23,347.15

Finding the Fourth Proportional to 70,728.76, 106,106.25 and 23,347.15

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Solution

The fourth proportional to 70,728.76, 106,106.25 and 23,347.15 is: 35,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,728.76 : 106,106.25 = 23,347.15 : x
  2. Step 2: Convert to fraction form
    70,728.76/106,106.25 = 23,347.15/x
  3. Step 3: Cross multiply
    70,728.76x = 106,106.25 × 23,347.15
  4. Step 4: Simplify right side
    70,728.76x = 2,477,278,506.19
  5. Step 5: Solve for x
    x = 2,477,278,506.19/70,728.76
  6. Step 6: Final answer
    x = 35,025.05

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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.