Home / 117,975.07-162,809.36-64,261.81

Finding the Fourth Proportional to 117,975.07, 162,809.36 and 64,261.81

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Solution

The fourth proportional to 117,975.07, 162,809.36 and 64,261.81 is: 88,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,975.07 : 162,809.36 = 64,261.81 : x
  2. Step 2: Convert to fraction form
    117,975.07/162,809.36 = 64,261.81/x
  3. Step 3: Cross multiply
    117,975.07x = 162,809.36 × 64,261.81
  4. Step 4: Simplify right side
    117,975.07x = 10,462,424,158.54
  5. Step 5: Solve for x
    x = 10,462,424,158.54/117,975.07
  6. Step 6: Final answer
    x = 88,683.35

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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.