Home / 108,916.29-163,384.52-42,361.47

Finding the Fourth Proportional to 108,916.29, 163,384.52 and 42,361.47

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Solution

The fourth proportional to 108,916.29, 163,384.52 and 42,361.47 is: 63,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,916.29 : 163,384.52 = 42,361.47 : x
  2. Step 2: Convert to fraction form
    108,916.29/163,384.52 = 42,361.47/x
  3. Step 3: Cross multiply
    108,916.29x = 163,384.52 × 42,361.47
  4. Step 4: Simplify right side
    108,916.29x = 6,921,208,230.64
  5. Step 5: Solve for x
    x = 6,921,208,230.64/108,916.29
  6. Step 6: Final answer
    x = 63,546.13

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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.