Home / 83,005.40-124,313.70-63,176.60

Finding the Fourth Proportional to 83,005.40, 124,313.70 and 63,176.60

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Solution

The fourth proportional to 83,005.40, 124,313.70 and 63,176.60 is: 94,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.40 : 124,313.70 = 63,176.60 : x
  2. Step 2: Convert to fraction form
    83,005.40/124,313.70 = 63,176.60/x
  3. Step 3: Cross multiply
    83,005.40x = 124,313.70 × 63,176.60
  4. Step 4: Simplify right side
    83,005.40x = 7,853,716,899.42
  5. Step 5: Solve for x
    x = 7,853,716,899.42/83,005.40
  6. Step 6: Final answer
    x = 94,616.94

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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.