Home / 70,303.11-97,020.87-40,083.57

Finding the Fourth Proportional to 70,303.11, 97,020.87 and 40,083.57

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Solution

The fourth proportional to 70,303.11, 97,020.87 and 40,083.57 is: 55,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.11 : 97,020.87 = 40,083.57 : x
  2. Step 2: Convert to fraction form
    70,303.11/97,020.87 = 40,083.57/x
  3. Step 3: Cross multiply
    70,303.11x = 97,020.87 × 40,083.57
  4. Step 4: Simplify right side
    70,303.11x = 3,888,942,834.11
  5. Step 5: Solve for x
    x = 3,888,942,834.11/70,303.11
  6. Step 6: Final answer
    x = 55,316.80

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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.