Home / 85,844.63-118,440.90-49,543.16

Finding the Fourth Proportional to 85,844.63, 118,440.90 and 49,543.16

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Solution

The fourth proportional to 85,844.63, 118,440.90 and 49,543.16 is: 68,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,844.63 : 118,440.90 = 49,543.16 : x
  2. Step 2: Convert to fraction form
    85,844.63/118,440.90 = 49,543.16/x
  3. Step 3: Cross multiply
    85,844.63x = 118,440.90 × 49,543.16
  4. Step 4: Simplify right side
    85,844.63x = 5,867,936,533.27
  5. Step 5: Solve for x
    x = 5,867,936,533.27/85,844.63
  6. Step 6: Final answer
    x = 68,355.32

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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.