Home / 69,621.40-96,077.64-37,790.32

Finding the Fourth Proportional to 69,621.40, 96,077.64 and 37,790.32

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Solution

The fourth proportional to 69,621.40, 96,077.64 and 37,790.32 is: 52,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,621.40 : 96,077.64 = 37,790.32 : x
  2. Step 2: Convert to fraction form
    69,621.40/96,077.64 = 37,790.32/x
  3. Step 3: Cross multiply
    69,621.40x = 96,077.64 × 37,790.32
  4. Step 4: Simplify right side
    69,621.40x = 3,630,804,760.44
  5. Step 5: Solve for x
    x = 3,630,804,760.44/69,621.40
  6. Step 6: Final answer
    x = 52,150.70

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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.