Home / 104,465.37-144,162.63-56,718.72

Finding the Fourth Proportional to 104,465.37, 144,162.63 and 56,718.72

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Solution

The fourth proportional to 104,465.37, 144,162.63 and 56,718.72 is: 78,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.37 : 144,162.63 = 56,718.72 : x
  2. Step 2: Convert to fraction form
    104,465.37/144,162.63 = 56,718.72/x
  3. Step 3: Cross multiply
    104,465.37x = 144,162.63 × 56,718.72
  4. Step 4: Simplify right side
    104,465.37x = 8,176,719,845.43
  5. Step 5: Solve for x
    x = 8,176,719,845.43/104,465.37
  6. Step 6: Final answer
    x = 78,272.06

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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.