Home / 108,899.96-163,392.19-42,386.81

Finding the Fourth Proportional to 108,899.96, 163,392.19 and 42,386.81

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Solution

The fourth proportional to 108,899.96, 163,392.19 and 42,386.81 is: 63,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.96 : 163,392.19 = 42,386.81 : x
  2. Step 2: Convert to fraction form
    108,899.96/163,392.19 = 42,386.81/x
  3. Step 3: Cross multiply
    108,899.96x = 163,392.19 × 42,386.81
  4. Step 4: Simplify right side
    108,899.96x = 6,925,672,790.09
  5. Step 5: Solve for x
    x = 6,925,672,790.09/108,899.96
  6. Step 6: Final answer
    x = 63,596.65

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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.