Home / 104,818.34-144,647.86-57,071.69

Finding the Fourth Proportional to 104,818.34, 144,647.86 and 57,071.69

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Solution

The fourth proportional to 104,818.34, 144,647.86 and 57,071.69 is: 78,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.34 : 144,647.86 = 57,071.69 : x
  2. Step 2: Convert to fraction form
    104,818.34/144,647.86 = 57,071.69/x
  3. Step 3: Cross multiply
    104,818.34x = 144,647.86 × 57,071.69
  4. Step 4: Simplify right side
    104,818.34x = 8,255,297,825.08
  5. Step 5: Solve for x
    x = 8,255,297,825.08/104,818.34
  6. Step 6: Final answer
    x = 78,758.14

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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.