Home / 64,390.11-88,840.23-50,735.80

Finding the Fourth Proportional to 64,390.11, 88,840.23 and 50,735.80

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Solution

The fourth proportional to 64,390.11, 88,840.23 and 50,735.80 is: 70,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390.11 : 88,840.23 = 50,735.80 : x
  2. Step 2: Convert to fraction form
    64,390.11/88,840.23 = 50,735.80/x
  3. Step 3: Cross multiply
    64,390.11x = 88,840.23 × 50,735.80
  4. Step 4: Simplify right side
    64,390.11x = 4,507,380,062.03
  5. Step 5: Solve for x
    x = 4,507,380,062.03/64,390.11
  6. Step 6: Final answer
    x = 70,001.13

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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.