Home / 70,238.86-96,926.57-40,030.72

Finding the Fourth Proportional to 70,238.86, 96,926.57 and 40,030.72

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Solution

The fourth proportional to 70,238.86, 96,926.57 and 40,030.72 is: 55,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.86 : 96,926.57 = 40,030.72 : x
  2. Step 2: Convert to fraction form
    70,238.86/96,926.57 = 40,030.72/x
  3. Step 3: Cross multiply
    70,238.86x = 96,926.57 × 40,030.72
  4. Step 4: Simplify right side
    70,238.86x = 3,880,040,184.08
  5. Step 5: Solve for x
    x = 3,880,040,184.08/70,238.86
  6. Step 6: Final answer
    x = 55,240.65

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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.