Home / 85,999.04-118,680.80-48,276.16

Finding the Fourth Proportional to 85,999.04, 118,680.80 and 48,276.16

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Solution

The fourth proportional to 85,999.04, 118,680.80 and 48,276.16 is: 66,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,999.04 : 118,680.80 = 48,276.16 : x
  2. Step 2: Convert to fraction form
    85,999.04/118,680.80 = 48,276.16/x
  3. Step 3: Cross multiply
    85,999.04x = 118,680.80 × 48,276.16
  4. Step 4: Simplify right side
    85,999.04x = 5,729,453,289.73
  5. Step 5: Solve for x
    x = 5,729,453,289.73/85,999.04
  6. Step 6: Final answer
    x = 66,622.29

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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.