Home / 83,543.12-125,376.93-33,623.60

Finding the Fourth Proportional to 83,543.12, 125,376.93 and 33,623.60

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Solution

The fourth proportional to 83,543.12, 125,376.93 and 33,623.60 is: 50,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543.12 : 125,376.93 = 33,623.60 : x
  2. Step 2: Convert to fraction form
    83,543.12/125,376.93 = 33,623.60/x
  3. Step 3: Cross multiply
    83,543.12x = 125,376.93 × 33,623.60
  4. Step 4: Simplify right side
    83,543.12x = 4,215,623,743.55
  5. Step 5: Solve for x
    x = 4,215,623,743.55/83,543.12
  6. Step 6: Final answer
    x = 50,460.45

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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.