Home / 112,673.40-155,489.08-62,372.40

Finding the Fourth Proportional to 112,673.40, 155,489.08 and 62,372.40

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Solution

The fourth proportional to 112,673.40, 155,489.08 and 62,372.40 is: 86,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,673.40 : 155,489.08 = 62,372.40 : x
  2. Step 2: Convert to fraction form
    112,673.40/155,489.08 = 62,372.40/x
  3. Step 3: Cross multiply
    112,673.40x = 155,489.08 × 62,372.40
  4. Step 4: Simplify right side
    112,673.40x = 9,698,227,093.39
  5. Step 5: Solve for x
    x = 9,698,227,093.39/112,673.40
  6. Step 6: Final answer
    x = 86,073.79

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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.