Home / 85,556.91-118,069.35-47,314.50

Finding the Fourth Proportional to 85,556.91, 118,069.35 and 47,314.50

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Solution

The fourth proportional to 85,556.91, 118,069.35 and 47,314.50 is: 65,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.91 : 118,069.35 = 47,314.50 : x
  2. Step 2: Convert to fraction form
    85,556.91/118,069.35 = 47,314.50/x
  3. Step 3: Cross multiply
    85,556.91x = 118,069.35 × 47,314.50
  4. Step 4: Simplify right side
    85,556.91x = 5,586,392,260.58
  5. Step 5: Solve for x
    x = 5,586,392,260.58/85,556.91
  6. Step 6: Final answer
    x = 65,294.46

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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.