Home / 70,720.83-97,594.60-40,515.93

Finding the Fourth Proportional to 70,720.83, 97,594.60 and 40,515.93

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Solution

The fourth proportional to 70,720.83, 97,594.60 and 40,515.93 is: 55,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,720.83 : 97,594.60 = 40,515.93 : x
  2. Step 2: Convert to fraction form
    70,720.83/97,594.60 = 40,515.93/x
  3. Step 3: Cross multiply
    70,720.83x = 97,594.60 × 40,515.93
  4. Step 4: Simplify right side
    70,720.83x = 3,954,135,981.98
  5. Step 5: Solve for x
    x = 3,954,135,981.98/70,720.83
  6. Step 6: Final answer
    x = 55,911.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.