Home / 94,842.40-130,886.31-54,556.15

Finding the Fourth Proportional to 94,842.40, 130,886.31 and 54,556.15

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Solution

The fourth proportional to 94,842.40, 130,886.31 and 54,556.15 is: 75,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,842.40 : 130,886.31 = 54,556.15 : x
  2. Step 2: Convert to fraction form
    94,842.40/130,886.31 = 54,556.15/x
  3. Step 3: Cross multiply
    94,842.40x = 130,886.31 × 54,556.15
  4. Step 4: Simplify right side
    94,842.40x = 7,140,653,161.31
  5. Step 5: Solve for x
    x = 7,140,653,161.31/94,842.40
  6. Step 6: Final answer
    x = 75,289.67

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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.