Home / 76,699.90-114,896.58-60,931.63

Finding the Fourth Proportional to 76,699.90, 114,896.58 and 60,931.63

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Solution

The fourth proportional to 76,699.90, 114,896.58 and 60,931.63 is: 91,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,699.90 : 114,896.58 = 60,931.63 : x
  2. Step 2: Convert to fraction form
    76,699.90/114,896.58 = 60,931.63/x
  3. Step 3: Cross multiply
    76,699.90x = 114,896.58 × 60,931.63
  4. Step 4: Simplify right side
    76,699.90x = 7,000,835,900.83
  5. Step 5: Solve for x
    x = 7,000,835,900.83/76,699.90
  6. Step 6: Final answer
    x = 91,275.68

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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.