Home / 93,754.12-129,380.96-51,315.40

Finding the Fourth Proportional to 93,754.12, 129,380.96 and 51,315.40

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Solution

The fourth proportional to 93,754.12, 129,380.96 and 51,315.40 is: 70,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,754.12 : 129,380.96 = 51,315.40 : x
  2. Step 2: Convert to fraction form
    93,754.12/129,380.96 = 51,315.40/x
  3. Step 3: Cross multiply
    93,754.12x = 129,380.96 × 51,315.40
  4. Step 4: Simplify right side
    93,754.12x = 6,639,235,714.78
  5. Step 5: Solve for x
    x = 6,639,235,714.78/93,754.12
  6. Step 6: Final answer
    x = 70,815.40

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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.