Home / 76,642.12-114,766.35-46,970

Finding the Fourth Proportional to 76,642.12, 114,766.35 and 46,970

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Solution

The fourth proportional to 76,642.12, 114,766.35 and 46,970 is: 70,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,642.12 : 114,766.35 = 46,970 : x
  2. Step 2: Convert to fraction form
    76,642.12/114,766.35 = 46,970/x
  3. Step 3: Cross multiply
    76,642.12x = 114,766.35 × 46,970
  4. Step 4: Simplify right side
    76,642.12x = 5,390,575,459.50
  5. Step 5: Solve for x
    x = 5,390,575,459.50/76,642.12
  6. Step 6: Final answer
    x = 70,334.37

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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.