Home / 113,499.36-170,354.07-57,379.05

Finding the Fourth Proportional to 113,499.36, 170,354.07 and 57,379.05

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Solution

The fourth proportional to 113,499.36, 170,354.07 and 57,379.05 is: 86,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,499.36 : 170,354.07 = 57,379.05 : x
  2. Step 2: Convert to fraction form
    113,499.36/170,354.07 = 57,379.05/x
  3. Step 3: Cross multiply
    113,499.36x = 170,354.07 × 57,379.05
  4. Step 4: Simplify right side
    113,499.36x = 9,774,754,700.23
  5. Step 5: Solve for x
    x = 9,774,754,700.23/113,499.36
  6. Step 6: Final answer
    x = 86,121.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.