Home / 70,820.85-97,749.39-40,605.62

Finding the Fourth Proportional to 70,820.85, 97,749.39 and 40,605.62

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Solution

The fourth proportional to 70,820.85, 97,749.39 and 40,605.62 is: 56,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,820.85 : 97,749.39 = 40,605.62 : x
  2. Step 2: Convert to fraction form
    70,820.85/97,749.39 = 40,605.62/x
  3. Step 3: Cross multiply
    70,820.85x = 97,749.39 × 40,605.62
  4. Step 4: Simplify right side
    70,820.85x = 3,969,174,585.57
  5. Step 5: Solve for x
    x = 3,969,174,585.57/70,820.85
  6. Step 6: Final answer
    x = 56,045.28

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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.