Home / 57,368.25-79,146-42,296.67

Finding the Fourth Proportional to 57,368.25, 79,146 and 42,296.67

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Solution

The fourth proportional to 57,368.25, 79,146 and 42,296.67 is: 58,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,368.25 : 79,146 = 42,296.67 : x
  2. Step 2: Convert to fraction form
    57,368.25/79,146 = 42,296.67/x
  3. Step 3: Cross multiply
    57,368.25x = 79,146 × 42,296.67
  4. Step 4: Simplify right side
    57,368.25x = 3,347,612,243.82
  5. Step 5: Solve for x
    x = 3,347,612,243.82/57,368.25
  6. Step 6: Final answer
    x = 58,353.05

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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.