Home / 77,829.30-116,750.43-31,056.66

Finding the Fourth Proportional to 77,829.30, 116,750.43 and 31,056.66

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Solution

The fourth proportional to 77,829.30, 116,750.43 and 31,056.66 is: 46,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,829.30 : 116,750.43 = 31,056.66 : x
  2. Step 2: Convert to fraction form
    77,829.30/116,750.43 = 31,056.66/x
  3. Step 3: Cross multiply
    77,829.30x = 116,750.43 × 31,056.66
  4. Step 4: Simplify right side
    77,829.30x = 3,625,878,409.36
  5. Step 5: Solve for x
    x = 3,625,878,409.36/77,829.30
  6. Step 6: Final answer
    x = 46,587.58

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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.