Home / 69,861.18-96,405.38-38,030.18

Finding the Fourth Proportional to 69,861.18, 96,405.38 and 38,030.18

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Solution

The fourth proportional to 69,861.18, 96,405.38 and 38,030.18 is: 52,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,861.18 : 96,405.38 = 38,030.18 : x
  2. Step 2: Convert to fraction form
    69,861.18/96,405.38 = 38,030.18/x
  3. Step 3: Cross multiply
    69,861.18x = 96,405.38 × 38,030.18
  4. Step 4: Simplify right side
    69,861.18x = 3,666,313,954.37
  5. Step 5: Solve for x
    x = 3,666,313,954.37/69,861.18
  6. Step 6: Final answer
    x = 52,479.99

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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.