Home / 50,963.45-70,330.23-28,303.88

Finding the Fourth Proportional to 50,963.45, 70,330.23 and 28,303.88

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Solution

The fourth proportional to 50,963.45, 70,330.23 and 28,303.88 is: 39,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.45 : 70,330.23 = 28,303.88 : x
  2. Step 2: Convert to fraction form
    50,963.45/70,330.23 = 28,303.88/x
  3. Step 3: Cross multiply
    50,963.45x = 70,330.23 × 28,303.88
  4. Step 4: Simplify right side
    50,963.45x = 1,990,618,038.64
  5. Step 5: Solve for x
    x = 1,990,618,038.64/50,963.45
  6. Step 6: Final answer
    x = 39,059.72

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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.