Home / 53,396.41-80,240.12-28,454.28

Finding the Fourth Proportional to 53,396.41, 80,240.12 and 28,454.28

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Solution

The fourth proportional to 53,396.41, 80,240.12 and 28,454.28 is: 42,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.41 : 80,240.12 = 28,454.28 : x
  2. Step 2: Convert to fraction form
    53,396.41/80,240.12 = 28,454.28/x
  3. Step 3: Cross multiply
    53,396.41x = 80,240.12 × 28,454.28
  4. Step 4: Simplify right side
    53,396.41x = 2,283,174,841.71
  5. Step 5: Solve for x
    x = 2,283,174,841.71/53,396.41
  6. Step 6: Final answer
    x = 42,758.96

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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.