Home / 53,111.09-79,185.09-51,725.99

Finding the Fourth Proportional to 53,111.09, 79,185.09 and 51,725.99

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Solution

The fourth proportional to 53,111.09, 79,185.09 and 51,725.99 is: 77,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,111.09 : 79,185.09 = 51,725.99 : x
  2. Step 2: Convert to fraction form
    53,111.09/79,185.09 = 51,725.99/x
  3. Step 3: Cross multiply
    53,111.09x = 79,185.09 × 51,725.99
  4. Step 4: Simplify right side
    53,111.09x = 4,095,927,173.49
  5. Step 5: Solve for x
    x = 4,095,927,173.49/53,111.09
  6. Step 6: Final answer
    x = 77,120.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.