Home / 70,883.10-97,815.06-39,051.36

Finding the Fourth Proportional to 70,883.10, 97,815.06 and 39,051.36

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Solution

The fourth proportional to 70,883.10, 97,815.06 and 39,051.36 is: 53,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.10 : 97,815.06 = 39,051.36 : x
  2. Step 2: Convert to fraction form
    70,883.10/97,815.06 = 39,051.36/x
  3. Step 3: Cross multiply
    70,883.10x = 97,815.06 × 39,051.36
  4. Step 4: Simplify right side
    70,883.10x = 3,819,811,121.48
  5. Step 5: Solve for x
    x = 3,819,811,121.48/70,883.10
  6. Step 6: Final answer
    x = 53,888.88

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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.