Home / 117,688.75-162,410.67-63,973.60

Finding the Fourth Proportional to 117,688.75, 162,410.67 and 63,973.60

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Solution

The fourth proportional to 117,688.75, 162,410.67 and 63,973.60 is: 88,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.75 : 162,410.67 = 63,973.60 : x
  2. Step 2: Convert to fraction form
    117,688.75/162,410.67 = 63,973.60/x
  3. Step 3: Cross multiply
    117,688.75x = 162,410.67 × 63,973.60
  4. Step 4: Simplify right side
    117,688.75x = 10,389,994,832.29
  5. Step 5: Solve for x
    x = 10,389,994,832.29/117,688.75
  6. Step 6: Final answer
    x = 88,283.67

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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.