Home / 104,464.89-144,162.59-56,718.63

Finding the Fourth Proportional to 104,464.89, 144,162.59 and 56,718.63

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Solution

The fourth proportional to 104,464.89, 144,162.59 and 56,718.63 is: 78,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,464.89 : 144,162.59 = 56,718.63 : x
  2. Step 2: Convert to fraction form
    104,464.89/144,162.59 = 56,718.63/x
  3. Step 3: Cross multiply
    104,464.89x = 144,162.59 × 56,718.63
  4. Step 4: Simplify right side
    104,464.89x = 8,176,704,318.46
  5. Step 5: Solve for x
    x = 8,176,704,318.46/104,464.89
  6. Step 6: Final answer
    x = 78,272.27

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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.