Home / 121,547.93-182,403.44-42,662.39

Finding the Fourth Proportional to 121,547.93, 182,403.44 and 42,662.39

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Solution

The fourth proportional to 121,547.93, 182,403.44 and 42,662.39 is: 64,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,547.93 : 182,403.44 = 42,662.39 : x
  2. Step 2: Convert to fraction form
    121,547.93/182,403.44 = 42,662.39/x
  3. Step 3: Cross multiply
    121,547.93x = 182,403.44 × 42,662.39
  4. Step 4: Simplify right side
    121,547.93x = 7,781,766,481.31
  5. Step 5: Solve for x
    x = 7,781,766,481.31/121,547.93
  6. Step 6: Final answer
    x = 64,022.20

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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.