Home / 69,885.34-96,438.87-38,054.16

Finding the Fourth Proportional to 69,885.34, 96,438.87 and 38,054.16

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Solution

The fourth proportional to 69,885.34, 96,438.87 and 38,054.16 is: 52,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885.34 : 96,438.87 = 38,054.16 : x
  2. Step 2: Convert to fraction form
    69,885.34/96,438.87 = 38,054.16/x
  3. Step 3: Cross multiply
    69,885.34x = 96,438.87 × 38,054.16
  4. Step 4: Simplify right side
    69,885.34x = 3,669,900,189.20
  5. Step 5: Solve for x
    x = 3,669,900,189.20/69,885.34
  6. Step 6: Final answer
    x = 52,513.16

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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.