Home / 70,930.12-97,889.46-39,105.24

Finding the Fourth Proportional to 70,930.12, 97,889.46 and 39,105.24

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Solution

The fourth proportional to 70,930.12, 97,889.46 and 39,105.24 is: 53,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,930.12 : 97,889.46 = 39,105.24 : x
  2. Step 2: Convert to fraction form
    70,930.12/97,889.46 = 39,105.24/x
  3. Step 3: Cross multiply
    70,930.12x = 97,889.46 × 39,105.24
  4. Step 4: Simplify right side
    70,930.12x = 3,827,990,826.77
  5. Step 5: Solve for x
    x = 3,827,990,826.77/70,930.12
  6. Step 6: Final answer
    x = 53,968.48

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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.