Home / 53,186.02-79,778.77-15,746.31

Finding the Fourth Proportional to 53,186.02, 79,778.77 and 15,746.31

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Solution

The fourth proportional to 53,186.02, 79,778.77 and 15,746.31 is: 23,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.02 : 79,778.77 = 15,746.31 : x
  2. Step 2: Convert to fraction form
    53,186.02/79,778.77 = 15,746.31/x
  3. Step 3: Cross multiply
    53,186.02x = 79,778.77 × 15,746.31
  4. Step 4: Simplify right side
    53,186.02x = 1,256,221,243.84
  5. Step 5: Solve for x
    x = 1,256,221,243.84/53,186.02
  6. Step 6: Final answer
    x = 23,619.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.