Home / 109,124.73-150,579.93-61,377.05

Finding the Fourth Proportional to 109,124.73, 150,579.93 and 61,377.05

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Solution

The fourth proportional to 109,124.73, 150,579.93 and 61,377.05 is: 84,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,124.73 : 150,579.93 = 61,377.05 : x
  2. Step 2: Convert to fraction form
    109,124.73/150,579.93 = 61,377.05/x
  3. Step 3: Cross multiply
    109,124.73x = 150,579.93 × 61,377.05
  4. Step 4: Simplify right side
    109,124.73x = 9,242,152,269.06
  5. Step 5: Solve for x
    x = 9,242,152,269.06/109,124.73
  6. Step 6: Final answer
    x = 84,693.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.