Home / 77,319.36-116,023.59-41,780.75

Finding the Fourth Proportional to 77,319.36, 116,023.59 and 41,780.75

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Solution

The fourth proportional to 77,319.36, 116,023.59 and 41,780.75 is: 62,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.36 : 116,023.59 = 41,780.75 : x
  2. Step 2: Convert to fraction form
    77,319.36/116,023.59 = 41,780.75/x
  3. Step 3: Cross multiply
    77,319.36x = 116,023.59 × 41,780.75
  4. Step 4: Simplify right side
    77,319.36x = 4,847,552,027.77
  5. Step 5: Solve for x
    x = 4,847,552,027.77/77,319.36
  6. Step 6: Final answer
    x = 62,695.19

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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.