Home / 118,048.43-162,902.10-64,332.30

Finding the Fourth Proportional to 118,048.43, 162,902.10 and 64,332.30

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Solution

The fourth proportional to 118,048.43, 162,902.10 and 64,332.30 is: 88,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.43 : 162,902.10 = 64,332.30 : x
  2. Step 2: Convert to fraction form
    118,048.43/162,902.10 = 64,332.30/x
  3. Step 3: Cross multiply
    118,048.43x = 162,902.10 × 64,332.30
  4. Step 4: Simplify right side
    118,048.43x = 10,479,867,619.96
  5. Step 5: Solve for x
    x = 10,479,867,619.96/118,048.43
  6. Step 6: Final answer
    x = 88,776.00

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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.