Home / 69,574.48-96,012.78-39,359.18

Finding the Fourth Proportional to 69,574.48, 96,012.78 and 39,359.18

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Solution

The fourth proportional to 69,574.48, 96,012.78 and 39,359.18 is: 54,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.48 : 96,012.78 = 39,359.18 : x
  2. Step 2: Convert to fraction form
    69,574.48/96,012.78 = 39,359.18/x
  3. Step 3: Cross multiply
    69,574.48x = 96,012.78 × 39,359.18
  4. Step 4: Simplify right side
    69,574.48x = 3,778,984,290.32
  5. Step 5: Solve for x
    x = 3,778,984,290.32/69,574.48
  6. Step 6: Final answer
    x = 54,315.67

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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.