Home / 50,969.12-70,337.54-28,308.10

Finding the Fourth Proportional to 50,969.12, 70,337.54 and 28,308.10

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Solution

The fourth proportional to 50,969.12, 70,337.54 and 28,308.10 is: 39,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.12 : 70,337.54 = 28,308.10 : x
  2. Step 2: Convert to fraction form
    50,969.12/70,337.54 = 28,308.10/x
  3. Step 3: Cross multiply
    50,969.12x = 70,337.54 × 28,308.10
  4. Step 4: Simplify right side
    50,969.12x = 1,991,122,011.00
  5. Step 5: Solve for x
    x = 1,991,122,011.00/50,969.12
  6. Step 6: Final answer
    x = 39,065.27

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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.