Home / 76,530.12-114,829.83-39,070.86

Finding the Fourth Proportional to 76,530.12, 114,829.83 and 39,070.86

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Solution

The fourth proportional to 76,530.12, 114,829.83 and 39,070.86 is: 58,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.12 : 114,829.83 = 39,070.86 : x
  2. Step 2: Convert to fraction form
    76,530.12/114,829.83 = 39,070.86/x
  3. Step 3: Cross multiply
    76,530.12x = 114,829.83 × 39,070.86
  4. Step 4: Simplify right side
    76,530.12x = 4,486,500,211.75
  5. Step 5: Solve for x
    x = 4,486,500,211.75/76,530.12
  6. Step 6: Final answer
    x = 58,623.98

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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.