Home / 76,554.32-114,829.63-53,971.72

Finding the Fourth Proportional to 76,554.32, 114,829.63 and 53,971.72

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Solution

The fourth proportional to 76,554.32, 114,829.63 and 53,971.72 is: 80,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,554.32 : 114,829.63 = 53,971.72 : x
  2. Step 2: Convert to fraction form
    76,554.32/114,829.63 = 53,971.72/x
  3. Step 3: Cross multiply
    76,554.32x = 114,829.63 × 53,971.72
  4. Step 4: Simplify right side
    76,554.32x = 6,197,552,216.06
  5. Step 5: Solve for x
    x = 6,197,552,216.06/76,554.32
  6. Step 6: Final answer
    x = 80,956.28

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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.