Home / 63,110.71-94,671.27-45,423.69

Finding the Fourth Proportional to 63,110.71, 94,671.27 and 45,423.69

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Solution

The fourth proportional to 63,110.71, 94,671.27 and 45,423.69 is: 68,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,110.71 : 94,671.27 = 45,423.69 : x
  2. Step 2: Convert to fraction form
    63,110.71/94,671.27 = 45,423.69/x
  3. Step 3: Cross multiply
    63,110.71x = 94,671.27 × 45,423.69
  4. Step 4: Simplify right side
    63,110.71x = 4,300,318,420.39
  5. Step 5: Solve for x
    x = 4,300,318,420.39/63,110.71
  6. Step 6: Final answer
    x = 68,139.28

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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.