Home / 78,824.68-118,254.84-26,236.24

Finding the Fourth Proportional to 78,824.68, 118,254.84 and 26,236.24

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Solution

The fourth proportional to 78,824.68, 118,254.84 and 26,236.24 is: 39,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,824.68 : 118,254.84 = 26,236.24 : x
  2. Step 2: Convert to fraction form
    78,824.68/118,254.84 = 26,236.24/x
  3. Step 3: Cross multiply
    78,824.68x = 118,254.84 × 26,236.24
  4. Step 4: Simplify right side
    78,824.68x = 3,102,562,363.40
  5. Step 5: Solve for x
    x = 3,102,562,363.40/78,824.68
  6. Step 6: Final answer
    x = 39,360.29

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1.5x scale

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.