Home / 112,676.76-155,491.74-62,376.12

Finding the Fourth Proportional to 112,676.76, 155,491.74 and 62,376.12

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Solution

The fourth proportional to 112,676.76, 155,491.74 and 62,376.12 is: 86,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,676.76 : 155,491.74 = 62,376.12 : x
  2. Step 2: Convert to fraction form
    112,676.76/155,491.74 = 62,376.12/x
  3. Step 3: Cross multiply
    112,676.76x = 155,491.74 × 62,376.12
  4. Step 4: Simplify right side
    112,676.76x = 9,698,971,433.25
  5. Step 5: Solve for x
    x = 9,698,971,433.25/112,676.76
  6. Step 6: Final answer
    x = 86,077.83

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1.5x scale

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.