Home / 70,246.23-96,933-40,030.80

Finding the Fourth Proportional to 70,246.23, 96,933 and 40,030.80

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Solution

The fourth proportional to 70,246.23, 96,933 and 40,030.80 is: 55,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.23 : 96,933 = 40,030.80 : x
  2. Step 2: Convert to fraction form
    70,246.23/96,933 = 40,030.80/x
  3. Step 3: Cross multiply
    70,246.23x = 96,933 × 40,030.80
  4. Step 4: Simplify right side
    70,246.23x = 3,880,305,536.40
  5. Step 5: Solve for x
    x = 3,880,305,536.40/70,246.23
  6. Step 6: Final answer
    x = 55,238.63

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1.5x scale

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.