Home / 62,269.13-85,931.40-39,913.13

Finding the Fourth Proportional to 62,269.13, 85,931.40 and 39,913.13

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Solution

The fourth proportional to 62,269.13, 85,931.40 and 39,913.13 is: 55,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,269.13 : 85,931.40 = 39,913.13 : x
  2. Step 2: Convert to fraction form
    62,269.13/85,931.40 = 39,913.13/x
  3. Step 3: Cross multiply
    62,269.13x = 85,931.40 × 39,913.13
  4. Step 4: Simplify right side
    62,269.13x = 3,429,790,709.63
  5. Step 5: Solve for x
    x = 3,429,790,709.63/62,269.13
  6. Step 6: Final answer
    x = 55,080.12

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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.