Home / 54,977.40-82,514.70-47,104.20

Finding the Fourth Proportional to 54,977.40, 82,514.70 and 47,104.20

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Solution

The fourth proportional to 54,977.40, 82,514.70 and 47,104.20 is: 70,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.40 : 82,514.70 = 47,104.20 : x
  2. Step 2: Convert to fraction form
    54,977.40/82,514.70 = 47,104.20/x
  3. Step 3: Cross multiply
    54,977.40x = 82,514.70 × 47,104.20
  4. Step 4: Simplify right side
    54,977.40x = 3,886,788,931.74
  5. Step 5: Solve for x
    x = 3,886,788,931.74/54,977.40
  6. Step 6: Final answer
    x = 70,697.94

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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.