Home / 108,731.40-163,079.64-29,827.20

Finding the Fourth Proportional to 108,731.40, 163,079.64 and 29,827.20

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Solution

The fourth proportional to 108,731.40, 163,079.64 and 29,827.20 is: 44,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,731.40 : 163,079.64 = 29,827.20 : x
  2. Step 2: Convert to fraction form
    108,731.40/163,079.64 = 29,827.20/x
  3. Step 3: Cross multiply
    108,731.40x = 163,079.64 × 29,827.20
  4. Step 4: Simplify right side
    108,731.40x = 4,864,209,038.21
  5. Step 5: Solve for x
    x = 4,864,209,038.21/108,731.40
  6. Step 6: Final answer
    x = 44,736.01

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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.