Home / 71,401.64-98,532.79-39,570.26

Finding the Fourth Proportional to 71,401.64, 98,532.79 and 39,570.26

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Solution

The fourth proportional to 71,401.64, 98,532.79 and 39,570.26 is: 54,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,401.64 : 98,532.79 = 39,570.26 : x
  2. Step 2: Convert to fraction form
    71,401.64/98,532.79 = 39,570.26/x
  3. Step 3: Cross multiply
    71,401.64x = 98,532.79 × 39,570.26
  4. Step 4: Simplify right side
    71,401.64x = 3,898,967,527.24
  5. Step 5: Solve for x
    x = 3,898,967,527.24/71,401.64
  6. Step 6: Final answer
    x = 54,606.14

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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.