Home / 85,802.92-118,415.62-48,085.16

Finding the Fourth Proportional to 85,802.92, 118,415.62 and 48,085.16

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Solution

The fourth proportional to 85,802.92, 118,415.62 and 48,085.16 is: 66,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802.92 : 118,415.62 = 48,085.16 : x
  2. Step 2: Convert to fraction form
    85,802.92/118,415.62 = 48,085.16/x
  3. Step 3: Cross multiply
    85,802.92x = 118,415.62 × 48,085.16
  4. Step 4: Simplify right side
    85,802.92x = 5,694,034,034.20
  5. Step 5: Solve for x
    x = 5,694,034,034.20/85,802.92
  6. Step 6: Final answer
    x = 66,361.77

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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.