Home / 117,684.66-162,408-63,973.32

Finding the Fourth Proportional to 117,684.66, 162,408 and 63,973.32

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Solution

The fourth proportional to 117,684.66, 162,408 and 63,973.32 is: 88,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,684.66 : 162,408 = 63,973.32 : x
  2. Step 2: Convert to fraction form
    117,684.66/162,408 = 63,973.32/x
  3. Step 3: Cross multiply
    117,684.66x = 162,408 × 63,973.32
  4. Step 4: Simplify right side
    117,684.66x = 10,389,778,954.56
  5. Step 5: Solve for x
    x = 10,389,778,954.56/117,684.66
  6. Step 6: Final answer
    x = 88,284.90

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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.