Home / 118,088.40-162,958.20-64,372.56

Finding the Fourth Proportional to 118,088.40, 162,958.20 and 64,372.56

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Solution

The fourth proportional to 118,088.40, 162,958.20 and 64,372.56 is: 88,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088.40 : 162,958.20 = 64,372.56 : x
  2. Step 2: Convert to fraction form
    118,088.40/162,958.20 = 64,372.56/x
  3. Step 3: Cross multiply
    118,088.40x = 162,958.20 × 64,372.56
  4. Step 4: Simplify right side
    118,088.40x = 10,490,036,506.99
  5. Step 5: Solve for x
    x = 10,490,036,506.99/118,088.40
  6. Step 6: Final answer
    x = 88,832.07

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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.