Home / 62,728.09-86,564.40-34,048.32

Finding the Fourth Proportional to 62,728.09, 86,564.40 and 34,048.32

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Solution

The fourth proportional to 62,728.09, 86,564.40 and 34,048.32 is: 46,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,728.09 : 86,564.40 = 34,048.32 : x
  2. Step 2: Convert to fraction form
    62,728.09/86,564.40 = 34,048.32/x
  3. Step 3: Cross multiply
    62,728.09x = 86,564.40 × 34,048.32
  4. Step 4: Simplify right side
    62,728.09x = 2,947,371,939.51
  5. Step 5: Solve for x
    x = 2,947,371,939.51/62,728.09
  6. Step 6: Final answer
    x = 46,986.48

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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.