Home / 70,134.64-96,790.99-39,929.74

Finding the Fourth Proportional to 70,134.64, 96,790.99 and 39,929.74

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Solution

The fourth proportional to 70,134.64, 96,790.99 and 39,929.74 is: 55,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134.64 : 96,790.99 = 39,929.74 : x
  2. Step 2: Convert to fraction form
    70,134.64/96,790.99 = 39,929.74/x
  3. Step 3: Cross multiply
    70,134.64x = 96,790.99 × 39,929.74
  4. Step 4: Simplify right side
    70,134.64x = 3,864,839,164.87
  5. Step 5: Solve for x
    x = 3,864,839,164.87/70,134.64
  6. Step 6: Final answer
    x = 55,106.00

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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.