Home / 86,099.10-118,809.99-48,366.30

Finding the Fourth Proportional to 86,099.10, 118,809.99 and 48,366.30

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Solution

The fourth proportional to 86,099.10, 118,809.99 and 48,366.30 is: 66,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,099.10 : 118,809.99 = 48,366.30 : x
  2. Step 2: Convert to fraction form
    86,099.10/118,809.99 = 48,366.30/x
  3. Step 3: Cross multiply
    86,099.10x = 118,809.99 × 48,366.30
  4. Step 4: Simplify right side
    86,099.10x = 5,746,399,619.34
  5. Step 5: Solve for x
    x = 5,746,399,619.34/86,099.10
  6. Step 6: Final answer
    x = 66,741.69

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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.