Home / 104,643.24-144,410.58-56,899.86

Finding the Fourth Proportional to 104,643.24, 144,410.58 and 56,899.86

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Solution

The fourth proportional to 104,643.24, 144,410.58 and 56,899.86 is: 78,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.24 : 144,410.58 = 56,899.86 : x
  2. Step 2: Convert to fraction form
    104,643.24/144,410.58 = 56,899.86/x
  3. Step 3: Cross multiply
    104,643.24x = 144,410.58 × 56,899.86
  4. Step 4: Simplify right side
    104,643.24x = 8,216,941,784.52
  5. Step 5: Solve for x
    x = 8,216,941,784.52/104,643.24
  6. Step 6: Final answer
    x = 78,523.39

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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.