Home / 76,320.54-114,457.49-52,779.38

Finding the Fourth Proportional to 76,320.54, 114,457.49 and 52,779.38

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Solution

The fourth proportional to 76,320.54, 114,457.49 and 52,779.38 is: 79,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.54 : 114,457.49 = 52,779.38 : x
  2. Step 2: Convert to fraction form
    76,320.54/114,457.49 = 52,779.38/x
  3. Step 3: Cross multiply
    76,320.54x = 114,457.49 × 52,779.38
  4. Step 4: Simplify right side
    76,320.54x = 6,040,994,720.29
  5. Step 5: Solve for x
    x = 6,040,994,720.29/76,320.54
  6. Step 6: Final answer
    x = 79,152.93

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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.