Home / 108,995.73-163,426.68-42,358.05

Finding the Fourth Proportional to 108,995.73, 163,426.68 and 42,358.05

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Solution

The fourth proportional to 108,995.73, 163,426.68 and 42,358.05 is: 63,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,995.73 : 163,426.68 = 42,358.05 : x
  2. Step 2: Convert to fraction form
    108,995.73/163,426.68 = 42,358.05/x
  3. Step 3: Cross multiply
    108,995.73x = 163,426.68 × 42,358.05
  4. Step 4: Simplify right side
    108,995.73x = 6,922,435,482.77
  5. Step 5: Solve for x
    x = 6,922,435,482.77/108,995.73
  6. Step 6: Final answer
    x = 63,511.07

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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.