Home / 72,319.37-108,507.56-22,403.34

Finding the Fourth Proportional to 72,319.37, 108,507.56 and 22,403.34

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Solution

The fourth proportional to 72,319.37, 108,507.56 and 22,403.34 is: 33,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,319.37 : 108,507.56 = 22,403.34 : x
  2. Step 2: Convert to fraction form
    72,319.37/108,507.56 = 22,403.34/x
  3. Step 3: Cross multiply
    72,319.37x = 108,507.56 × 22,403.34
  4. Step 4: Simplify right side
    72,319.37x = 2,430,931,647.23
  5. Step 5: Solve for x
    x = 2,430,931,647.23/72,319.37
  6. Step 6: Final answer
    x = 33,613.84

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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.