Home / 50,966.55-70,334.78-28,307.64

Finding the Fourth Proportional to 50,966.55, 70,334.78 and 28,307.64

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Solution

The fourth proportional to 50,966.55, 70,334.78 and 28,307.64 is: 39,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,966.55 : 70,334.78 = 28,307.64 : x
  2. Step 2: Convert to fraction form
    50,966.55/70,334.78 = 28,307.64/x
  3. Step 3: Cross multiply
    50,966.55x = 70,334.78 × 28,307.64
  4. Step 4: Simplify right side
    50,966.55x = 1,991,011,631.72
  5. Step 5: Solve for x
    x = 1,991,011,631.72/50,966.55
  6. Step 6: Final answer
    x = 39,065.07

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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.