Home / 93,525.10-140,287.65-76,903.90

Finding the Fourth Proportional to 93,525.10, 140,287.65 and 76,903.90

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Solution

The fourth proportional to 93,525.10, 140,287.65 and 76,903.90 is: 115,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,525.10 : 140,287.65 = 76,903.90 : x
  2. Step 2: Convert to fraction form
    93,525.10/140,287.65 = 76,903.90/x
  3. Step 3: Cross multiply
    93,525.10x = 140,287.65 × 76,903.90
  4. Step 4: Simplify right side
    93,525.10x = 10,788,667,406.84
  5. Step 5: Solve for x
    x = 10,788,667,406.84/93,525.10
  6. Step 6: Final answer
    x = 115,355.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.