Home / 53,703.40-80,555.10-34,004.20

Finding the Fourth Proportional to 53,703.40, 80,555.10 and 34,004.20

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Solution

The fourth proportional to 53,703.40, 80,555.10 and 34,004.20 is: 51,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703.40 : 80,555.10 = 34,004.20 : x
  2. Step 2: Convert to fraction form
    53,703.40/80,555.10 = 34,004.20/x
  3. Step 3: Cross multiply
    53,703.40x = 80,555.10 × 34,004.20
  4. Step 4: Simplify right side
    53,703.40x = 2,739,211,731.42
  5. Step 5: Solve for x
    x = 2,739,211,731.42/53,703.40
  6. Step 6: Final answer
    x = 51,006.30

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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.