Home / 112,381.64-168,571.99-53,258.84

Finding the Fourth Proportional to 112,381.64, 168,571.99 and 53,258.84

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Solution

The fourth proportional to 112,381.64, 168,571.99 and 53,258.84 is: 79,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.64 : 168,571.99 = 53,258.84 : x
  2. Step 2: Convert to fraction form
    112,381.64/168,571.99 = 53,258.84/x
  3. Step 3: Cross multiply
    112,381.64x = 168,571.99 × 53,258.84
  4. Step 4: Simplify right side
    112,381.64x = 8,977,948,643.89
  5. Step 5: Solve for x
    x = 8,977,948,643.89/112,381.64
  6. Step 6: Final answer
    x = 79,888.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.