Home / 77,492.52-115,973.36-53,826.75

Finding the Fourth Proportional to 77,492.52, 115,973.36 and 53,826.75

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Solution

The fourth proportional to 77,492.52, 115,973.36 and 53,826.75 is: 80,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,492.52 : 115,973.36 = 53,826.75 : x
  2. Step 2: Convert to fraction form
    77,492.52/115,973.36 = 53,826.75/x
  3. Step 3: Cross multiply
    77,492.52x = 115,973.36 × 53,826.75
  4. Step 4: Simplify right side
    77,492.52x = 6,242,468,786.25
  5. Step 5: Solve for x
    x = 6,242,468,786.25/77,492.52
  6. Step 6: Final answer
    x = 80,555.76

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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.