Home / 86,113.76-118,787.45-53,792.19

Finding the Fourth Proportional to 86,113.76, 118,787.45 and 53,792.19

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Solution

The fourth proportional to 86,113.76, 118,787.45 and 53,792.19 is: 74,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.76 : 118,787.45 = 53,792.19 : x
  2. Step 2: Convert to fraction form
    86,113.76/118,787.45 = 53,792.19/x
  3. Step 3: Cross multiply
    86,113.76x = 118,787.45 × 53,792.19
  4. Step 4: Simplify right side
    86,113.76x = 6,389,836,811.05
  5. Step 5: Solve for x
    x = 6,389,836,811.05/86,113.76
  6. Step 6: Final answer
    x = 74,202.27

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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.