Home / 78,230.06-117,330.20-22,056.36

Finding the Fourth Proportional to 78,230.06, 117,330.20 and 22,056.36

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Solution

The fourth proportional to 78,230.06, 117,330.20 and 22,056.36 is: 33,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,230.06 : 117,330.20 = 22,056.36 : x
  2. Step 2: Convert to fraction form
    78,230.06/117,330.20 = 22,056.36/x
  3. Step 3: Cross multiply
    78,230.06x = 117,330.20 × 22,056.36
  4. Step 4: Simplify right side
    78,230.06x = 2,587,877,130.07
  5. Step 5: Solve for x
    x = 2,587,877,130.07/78,230.06
  6. Step 6: Final answer
    x = 33,080.34

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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.