Home / 45,457.89-68,187.33-15,875.79

Finding the Fourth Proportional to 45,457.89, 68,187.33 and 15,875.79

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Solution

The fourth proportional to 45,457.89, 68,187.33 and 15,875.79 is: 23,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.89 : 68,187.33 = 15,875.79 : x
  2. Step 2: Convert to fraction form
    45,457.89/68,187.33 = 15,875.79/x
  3. Step 3: Cross multiply
    45,457.89x = 68,187.33 × 15,875.79
  4. Step 4: Simplify right side
    45,457.89x = 1,082,527,731.74
  5. Step 5: Solve for x
    x = 1,082,527,731.74/45,457.89
  6. Step 6: Final answer
    x = 23,813.86

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1.5x scale

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.