Home / 85,594.28-128,391.06-23,264.60

Finding the Fourth Proportional to 85,594.28, 128,391.06 and 23,264.60

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Solution

The fourth proportional to 85,594.28, 128,391.06 and 23,264.60 is: 34,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,594.28 : 128,391.06 = 23,264.60 : x
  2. Step 2: Convert to fraction form
    85,594.28/128,391.06 = 23,264.60/x
  3. Step 3: Cross multiply
    85,594.28x = 128,391.06 × 23,264.60
  4. Step 4: Simplify right side
    85,594.28x = 2,986,966,654.48
  5. Step 5: Solve for x
    x = 2,986,966,654.48/85,594.28
  6. Step 6: Final answer
    x = 34,896.80

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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.