Home / 78,407.07-108,193.94-44,408.77

Finding the Fourth Proportional to 78,407.07, 108,193.94 and 44,408.77

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Solution

The fourth proportional to 78,407.07, 108,193.94 and 44,408.77 is: 61,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,407.07 : 108,193.94 = 44,408.77 : x
  2. Step 2: Convert to fraction form
    78,407.07/108,193.94 = 44,408.77/x
  3. Step 3: Cross multiply
    78,407.07x = 108,193.94 × 44,408.77
  4. Step 4: Simplify right side
    78,407.07x = 4,804,759,470.86
  5. Step 5: Solve for x
    x = 4,804,759,470.86/78,407.07
  6. Step 6: Final answer
    x = 61,279.67

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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.