Home / 104,585.11-144,327.39-56,838.47

Finding the Fourth Proportional to 104,585.11, 144,327.39 and 56,838.47

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Solution

The fourth proportional to 104,585.11, 144,327.39 and 56,838.47 is: 78,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,585.11 : 144,327.39 = 56,838.47 : x
  2. Step 2: Convert to fraction form
    104,585.11/144,327.39 = 56,838.47/x
  3. Step 3: Cross multiply
    104,585.11x = 144,327.39 × 56,838.47
  4. Step 4: Simplify right side
    104,585.11x = 8,203,347,091.91
  5. Step 5: Solve for x
    x = 8,203,347,091.91/104,585.11
  6. Step 6: Final answer
    x = 78,437.05

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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.