Home / 216,457.60-324,688.56-58,689.04

Finding the Fourth Proportional to 216,457.60, 324,688.56 and 58,689.04

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Solution

The fourth proportional to 216,457.60, 324,688.56 and 58,689.04 is: 88,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,457.60 : 324,688.56 = 58,689.04 : x
  2. Step 2: Convert to fraction form
    216,457.60/324,688.56 = 58,689.04/x
  3. Step 3: Cross multiply
    216,457.60x = 324,688.56 × 58,689.04
  4. Step 4: Simplify right side
    216,457.60x = 19,055,659,885.38
  5. Step 5: Solve for x
    x = 19,055,659,885.38/216,457.60
  6. Step 6: Final answer
    x = 88,034.15

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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.