Home / 117,955.76-162,783.56-66,973.24

Finding the Fourth Proportional to 117,955.76, 162,783.56 and 66,973.24

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Solution

The fourth proportional to 117,955.76, 162,783.56 and 66,973.24 is: 92,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,955.76 : 162,783.56 = 66,973.24 : x
  2. Step 2: Convert to fraction form
    117,955.76/162,783.56 = 66,973.24/x
  3. Step 3: Cross multiply
    117,955.76x = 162,783.56 × 66,973.24
  4. Step 4: Simplify right side
    117,955.76x = 10,902,141,968.29
  5. Step 5: Solve for x
    x = 10,902,141,968.29/117,955.76
  6. Step 6: Final answer
    x = 92,425.68

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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.