Home / 76,364.72-114,443.40-56,717.36

Finding the Fourth Proportional to 76,364.72, 114,443.40 and 56,717.36

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Solution

The fourth proportional to 76,364.72, 114,443.40 and 56,717.36 is: 84,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,364.72 : 114,443.40 = 56,717.36 : x
  2. Step 2: Convert to fraction form
    76,364.72/114,443.40 = 56,717.36/x
  3. Step 3: Cross multiply
    76,364.72x = 114,443.40 × 56,717.36
  4. Step 4: Simplify right side
    76,364.72x = 6,490,927,517.42
  5. Step 5: Solve for x
    x = 6,490,927,517.42/76,364.72
  6. Step 6: Final answer
    x = 84,999.04

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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.