Home / 108,945.26-163,341.66-55,653.74

Finding the Fourth Proportional to 108,945.26, 163,341.66 and 55,653.74

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Solution

The fourth proportional to 108,945.26, 163,341.66 and 55,653.74 is: 83,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.26 : 163,341.66 = 55,653.74 : x
  2. Step 2: Convert to fraction form
    108,945.26/163,341.66 = 55,653.74/x
  3. Step 3: Cross multiply
    108,945.26x = 163,341.66 × 55,653.74
  4. Step 4: Simplify right side
    108,945.26x = 9,090,574,276.81
  5. Step 5: Solve for x
    x = 9,090,574,276.81/108,945.26
  6. Step 6: Final answer
    x = 83,441.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.