Home / 78,191.38-107,901.48-46,341.37

Finding the Fourth Proportional to 78,191.38, 107,901.48 and 46,341.37

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Solution

The fourth proportional to 78,191.38, 107,901.48 and 46,341.37 is: 63,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,191.38 : 107,901.48 = 46,341.37 : x
  2. Step 2: Convert to fraction form
    78,191.38/107,901.48 = 46,341.37/x
  3. Step 3: Cross multiply
    78,191.38x = 107,901.48 × 46,341.37
  4. Step 4: Simplify right side
    78,191.38x = 5,000,302,408.23
  5. Step 5: Solve for x
    x = 5,000,302,408.23/78,191.38
  6. Step 6: Final answer
    x = 63,949.54

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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.