Home / 52,635.08-72,640.55-29,975.03

Finding the Fourth Proportional to 52,635.08, 72,640.55 and 29,975.03

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Solution

The fourth proportional to 52,635.08, 72,640.55 and 29,975.03 is: 41,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.08 : 72,640.55 = 29,975.03 : x
  2. Step 2: Convert to fraction form
    52,635.08/72,640.55 = 29,975.03/x
  3. Step 3: Cross multiply
    52,635.08x = 72,640.55 × 29,975.03
  4. Step 4: Simplify right side
    52,635.08x = 2,177,402,152.39
  5. Step 5: Solve for x
    x = 2,177,402,152.39/52,635.08
  6. Step 6: Final answer
    x = 41,367.89

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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.