Home / 122,907.60-169,612.76-68,459.33

Finding the Fourth Proportional to 122,907.60, 169,612.76 and 68,459.33

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Solution

The fourth proportional to 122,907.60, 169,612.76 and 68,459.33 is: 94,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,907.60 : 169,612.76 = 68,459.33 : x
  2. Step 2: Convert to fraction form
    122,907.60/169,612.76 = 68,459.33/x
  3. Step 3: Cross multiply
    122,907.60x = 169,612.76 × 68,459.33
  4. Step 4: Simplify right side
    122,907.60x = 11,611,575,909.05
  5. Step 5: Solve for x
    x = 11,611,575,909.05/122,907.60
  6. Step 6: Final answer
    x = 94,474.03

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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.