Home / 70,948.10-106,466.81-28,829.22

Finding the Fourth Proportional to 70,948.10, 106,466.81 and 28,829.22

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Solution

The fourth proportional to 70,948.10, 106,466.81 and 28,829.22 is: 43,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.10 : 106,466.81 = 28,829.22 : x
  2. Step 2: Convert to fraction form
    70,948.10/106,466.81 = 28,829.22/x
  3. Step 3: Cross multiply
    70,948.10x = 106,466.81 × 28,829.22
  4. Step 4: Simplify right side
    70,948.10x = 3,069,354,544.79
  5. Step 5: Solve for x
    x = 3,069,354,544.79/70,948.10
  6. Step 6: Final answer
    x = 43,261.97

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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.