Home / 76,014.67-104,891.16-42,018.57

Finding the Fourth Proportional to 76,014.67, 104,891.16 and 42,018.57

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Solution

The fourth proportional to 76,014.67, 104,891.16 and 42,018.57 is: 57,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.67 : 104,891.16 = 42,018.57 : x
  2. Step 2: Convert to fraction form
    76,014.67/104,891.16 = 42,018.57/x
  3. Step 3: Cross multiply
    76,014.67x = 104,891.16 × 42,018.57
  4. Step 4: Simplify right side
    76,014.67x = 4,407,376,548.84
  5. Step 5: Solve for x
    x = 4,407,376,548.84/76,014.67
  6. Step 6: Final answer
    x = 57,980.60

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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.