Home / 86,005.94-118,687.73-48,280.18

Finding the Fourth Proportional to 86,005.94, 118,687.73 and 48,280.18

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Solution

The fourth proportional to 86,005.94, 118,687.73 and 48,280.18 is: 66,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,005.94 : 118,687.73 = 48,280.18 : x
  2. Step 2: Convert to fraction form
    86,005.94/118,687.73 = 48,280.18/x
  3. Step 3: Cross multiply
    86,005.94x = 118,687.73 × 48,280.18
  4. Step 4: Simplify right side
    86,005.94x = 5,730,264,968.19
  5. Step 5: Solve for x
    x = 5,730,264,968.19/86,005.94
  6. Step 6: Final answer
    x = 66,626.39

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1.5x scale

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.