Home / 62,985.55-94,491.65-20,863.25

Finding the Fourth Proportional to 62,985.55, 94,491.65 and 20,863.25

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Solution

The fourth proportional to 62,985.55, 94,491.65 and 20,863.25 is: 31,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.55 : 94,491.65 = 20,863.25 : x
  2. Step 2: Convert to fraction form
    62,985.55/94,491.65 = 20,863.25/x
  3. Step 3: Cross multiply
    62,985.55x = 94,491.65 × 20,863.25
  4. Step 4: Simplify right side
    62,985.55x = 1,971,402,392.25
  5. Step 5: Solve for x
    x = 1,971,402,392.25/62,985.55
  6. Step 6: Final answer
    x = 31,299.28

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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.