Home / 94,043.03-129,779.39-53,757.67

Finding the Fourth Proportional to 94,043.03, 129,779.39 and 53,757.67

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Solution

The fourth proportional to 94,043.03, 129,779.39 and 53,757.67 is: 74,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,043.03 : 129,779.39 = 53,757.67 : x
  2. Step 2: Convert to fraction form
    94,043.03/129,779.39 = 53,757.67/x
  3. Step 3: Cross multiply
    94,043.03x = 129,779.39 × 53,757.67
  4. Step 4: Simplify right side
    94,043.03x = 6,976,637,620.42
  5. Step 5: Solve for x
    x = 6,976,637,620.42/94,043.03
  6. Step 6: Final answer
    x = 74,185.59

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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.