Home / 70,746.60-106,161.30-26,403.96

Finding the Fourth Proportional to 70,746.60, 106,161.30 and 26,403.96

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Solution

The fourth proportional to 70,746.60, 106,161.30 and 26,403.96 is: 39,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.60 : 106,161.30 = 26,403.96 : x
  2. Step 2: Convert to fraction form
    70,746.60/106,161.30 = 26,403.96/x
  3. Step 3: Cross multiply
    70,746.60x = 106,161.30 × 26,403.96
  4. Step 4: Simplify right side
    70,746.60x = 2,803,078,718.75
  5. Step 5: Solve for x
    x = 2,803,078,718.75/70,746.60
  6. Step 6: Final answer
    x = 39,621.39

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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.