Home / 98,587.41-147,927.75-51,177.30

Finding the Fourth Proportional to 98,587.41, 147,927.75 and 51,177.30

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Solution

The fourth proportional to 98,587.41, 147,927.75 and 51,177.30 is: 76,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.41 : 147,927.75 = 51,177.30 : x
  2. Step 2: Convert to fraction form
    98,587.41/147,927.75 = 51,177.30/x
  3. Step 3: Cross multiply
    98,587.41x = 147,927.75 × 51,177.30
  4. Step 4: Simplify right side
    98,587.41x = 7,570,542,840.08
  5. Step 5: Solve for x
    x = 7,570,542,840.08/98,587.41
  6. Step 6: Final answer
    x = 76,790.16

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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.