Home / 57,341.34-85,939.11-31,068.18

Finding the Fourth Proportional to 57,341.34, 85,939.11 and 31,068.18

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Solution

The fourth proportional to 57,341.34, 85,939.11 and 31,068.18 is: 46,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,341.34 : 85,939.11 = 31,068.18 : x
  2. Step 2: Convert to fraction form
    57,341.34/85,939.11 = 31,068.18/x
  3. Step 3: Cross multiply
    57,341.34x = 85,939.11 × 31,068.18
  4. Step 4: Simplify right side
    57,341.34x = 2,669,971,738.52
  5. Step 5: Solve for x
    x = 2,669,971,738.52/57,341.34
  6. Step 6: Final answer
    x = 46,562.77

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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.