Home / 70,899.03-97,839.72-40,684.95

Finding the Fourth Proportional to 70,899.03, 97,839.72 and 40,684.95

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Solution

The fourth proportional to 70,899.03, 97,839.72 and 40,684.95 is: 56,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,899.03 : 97,839.72 = 40,684.95 : x
  2. Step 2: Convert to fraction form
    70,899.03/97,839.72 = 40,684.95/x
  3. Step 3: Cross multiply
    70,899.03x = 97,839.72 × 40,684.95
  4. Step 4: Simplify right side
    70,899.03x = 3,980,604,116.21
  5. Step 5: Solve for x
    x = 3,980,604,116.21/70,899.03
  6. Step 6: Final answer
    x = 56,144.69

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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.