Home / 78,784.24-118,176.30-23,380.24

Finding the Fourth Proportional to 78,784.24, 118,176.30 and 23,380.24

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Solution

The fourth proportional to 78,784.24, 118,176.30 and 23,380.24 is: 35,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,784.24 : 118,176.30 = 23,380.24 : x
  2. Step 2: Convert to fraction form
    78,784.24/118,176.30 = 23,380.24/x
  3. Step 3: Cross multiply
    78,784.24x = 118,176.30 × 23,380.24
  4. Step 4: Simplify right side
    78,784.24x = 2,762,990,256.31
  5. Step 5: Solve for x
    x = 2,762,990,256.31/78,784.24
  6. Step 6: Final answer
    x = 35,070.34

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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.