Home / 70,788.18-106,072.08-26,403

Finding the Fourth Proportional to 70,788.18, 106,072.08 and 26,403

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Solution

The fourth proportional to 70,788.18, 106,072.08 and 26,403 is: 39,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,788.18 : 106,072.08 = 26,403 : x
  2. Step 2: Convert to fraction form
    70,788.18/106,072.08 = 26,403/x
  3. Step 3: Cross multiply
    70,788.18x = 106,072.08 × 26,403
  4. Step 4: Simplify right side
    70,788.18x = 2,800,621,128.24
  5. Step 5: Solve for x
    x = 2,800,621,128.24/70,788.18
  6. Step 6: Final answer
    x = 39,563.40

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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.