Home / 56,513.96-78,004.50-35,280.44

Finding the Fourth Proportional to 56,513.96, 78,004.50 and 35,280.44

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Solution

The fourth proportional to 56,513.96, 78,004.50 and 35,280.44 is: 48,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,513.96 : 78,004.50 = 35,280.44 : x
  2. Step 2: Convert to fraction form
    56,513.96/78,004.50 = 35,280.44/x
  3. Step 3: Cross multiply
    56,513.96x = 78,004.50 × 35,280.44
  4. Step 4: Simplify right side
    56,513.96x = 2,752,033,081.98
  5. Step 5: Solve for x
    x = 2,752,033,081.98/56,513.96
  6. Step 6: Final answer
    x = 48,696.52

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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.