Home / 62,900.16-86,823.54-39,040.80

Finding the Fourth Proportional to 62,900.16, 86,823.54 and 39,040.80

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Solution

The fourth proportional to 62,900.16, 86,823.54 and 39,040.80 is: 53,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,900.16 : 86,823.54 = 39,040.80 : x
  2. Step 2: Convert to fraction form
    62,900.16/86,823.54 = 39,040.80/x
  3. Step 3: Cross multiply
    62,900.16x = 86,823.54 × 39,040.80
  4. Step 4: Simplify right side
    62,900.16x = 3,389,660,460.43
  5. Step 5: Solve for x
    x = 3,389,660,460.43/62,900.16
  6. Step 6: Final answer
    x = 53,889.54

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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.