Home / 76,185.60-105,024.24-53,455.92

Finding the Fourth Proportional to 76,185.60, 105,024.24 and 53,455.92

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Solution

The fourth proportional to 76,185.60, 105,024.24 and 53,455.92 is: 73,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,185.60 : 105,024.24 = 53,455.92 : x
  2. Step 2: Convert to fraction form
    76,185.60/105,024.24 = 53,455.92/x
  3. Step 3: Cross multiply
    76,185.60x = 105,024.24 × 53,455.92
  4. Step 4: Simplify right side
    76,185.60x = 5,614,167,371.50
  5. Step 5: Solve for x
    x = 5,614,167,371.50/76,185.60
  6. Step 6: Final answer
    x = 73,690.66

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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.