Home / 84,786.47-117,005.78-52,973.82

Finding the Fourth Proportional to 84,786.47, 117,005.78 and 52,973.82

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Solution

The fourth proportional to 84,786.47, 117,005.78 and 52,973.82 is: 73,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,786.47 : 117,005.78 = 52,973.82 : x
  2. Step 2: Convert to fraction form
    84,786.47/117,005.78 = 52,973.82/x
  3. Step 3: Cross multiply
    84,786.47x = 117,005.78 × 52,973.82
  4. Step 4: Simplify right side
    84,786.47x = 6,198,243,261.11
  5. Step 5: Solve for x
    x = 6,198,243,261.11/84,786.47
  6. Step 6: Final answer
    x = 73,104.16

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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.