Home / 85,319.46-117,732.69-47,596.14

Finding the Fourth Proportional to 85,319.46, 117,732.69 and 47,596.14

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Solution

The fourth proportional to 85,319.46, 117,732.69 and 47,596.14 is: 65,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.46 : 117,732.69 = 47,596.14 : x
  2. Step 2: Convert to fraction form
    85,319.46/117,732.69 = 47,596.14/x
  3. Step 3: Cross multiply
    85,319.46x = 117,732.69 × 47,596.14
  4. Step 4: Simplify right side
    85,319.46x = 5,603,621,595.82
  5. Step 5: Solve for x
    x = 5,603,621,595.82/85,319.46
  6. Step 6: Final answer
    x = 65,678.12

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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.