Home / 112,877.54-155,778.00-62,576.54

Finding the Fourth Proportional to 112,877.54, 155,778.00 and 62,576.54

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Solution

The fourth proportional to 112,877.54, 155,778.00 and 62,576.54 is: 86,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,877.54 : 155,778.00 = 62,576.54 : x
  2. Step 2: Convert to fraction form
    112,877.54/155,778.00 = 62,576.54/x
  3. Step 3: Cross multiply
    112,877.54x = 155,778.00 × 62,576.54
  4. Step 4: Simplify right side
    112,877.54x = 9,748,048,170.73
  5. Step 5: Solve for x
    x = 9,748,048,170.73/112,877.54
  6. Step 6: Final answer
    x = 86,359.50

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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.