Home / 76,014.18-104,839.65-70,921.17

Finding the Fourth Proportional to 76,014.18, 104,839.65 and 70,921.17

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Solution

The fourth proportional to 76,014.18, 104,839.65 and 70,921.17 is: 97,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.18 : 104,839.65 = 70,921.17 : x
  2. Step 2: Convert to fraction form
    76,014.18/104,839.65 = 70,921.17/x
  3. Step 3: Cross multiply
    76,014.18x = 104,839.65 × 70,921.17
  4. Step 4: Simplify right side
    76,014.18x = 7,435,350,640.39
  5. Step 5: Solve for x
    x = 7,435,350,640.39/76,014.18
  6. Step 6: Final answer
    x = 97,815.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.