Home / 86,490.22-119,362.02-48,255.54

Finding the Fourth Proportional to 86,490.22, 119,362.02 and 48,255.54

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Solution

The fourth proportional to 86,490.22, 119,362.02 and 48,255.54 is: 66,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.22 : 119,362.02 = 48,255.54 : x
  2. Step 2: Convert to fraction form
    86,490.22/119,362.02 = 48,255.54/x
  3. Step 3: Cross multiply
    86,490.22x = 119,362.02 × 48,255.54
  4. Step 4: Simplify right side
    86,490.22x = 5,759,878,730.59
  5. Step 5: Solve for x
    x = 5,759,878,730.59/86,490.22
  6. Step 6: Final answer
    x = 66,595.72

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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.