Home / 77,852.34-116,773.65-31,071.60

Finding the Fourth Proportional to 77,852.34, 116,773.65 and 31,071.60

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Solution

The fourth proportional to 77,852.34, 116,773.65 and 31,071.60 is: 46,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,852.34 : 116,773.65 = 31,071.60 : x
  2. Step 2: Convert to fraction form
    77,852.34/116,773.65 = 31,071.60/x
  3. Step 3: Cross multiply
    77,852.34x = 116,773.65 × 31,071.60
  4. Step 4: Simplify right side
    77,852.34x = 3,628,344,143.34
  5. Step 5: Solve for x
    x = 3,628,344,143.34/77,852.34
  6. Step 6: Final answer
    x = 46,605.46

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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.