Home / 70,040.08-96,647.16-39,828.88

Finding the Fourth Proportional to 70,040.08, 96,647.16 and 39,828.88

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Solution

The fourth proportional to 70,040.08, 96,647.16 and 39,828.88 is: 54,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.08 : 96,647.16 = 39,828.88 : x
  2. Step 2: Convert to fraction form
    70,040.08/96,647.16 = 39,828.88/x
  3. Step 3: Cross multiply
    70,040.08x = 96,647.16 × 39,828.88
  4. Step 4: Simplify right side
    70,040.08x = 3,849,348,137.98
  5. Step 5: Solve for x
    x = 3,849,348,137.98/70,040.08
  6. Step 6: Final answer
    x = 54,959.22

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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.