Home / 71,401.51-98,532.57-39,570.13

Finding the Fourth Proportional to 71,401.51, 98,532.57 and 39,570.13

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Solution

The fourth proportional to 71,401.51, 98,532.57 and 39,570.13 is: 54,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,401.51 : 98,532.57 = 39,570.13 : x
  2. Step 2: Convert to fraction form
    71,401.51/98,532.57 = 39,570.13/x
  3. Step 3: Cross multiply
    71,401.51x = 98,532.57 × 39,570.13
  4. Step 4: Simplify right side
    71,401.51x = 3,898,946,604.13
  5. Step 5: Solve for x
    x = 3,898,946,604.13/71,401.51
  6. Step 6: Final answer
    x = 54,605.94

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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.