Home / 98,701.66-147,962.93-51,261.31

Finding the Fourth Proportional to 98,701.66, 147,962.93 and 51,261.31

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Solution

The fourth proportional to 98,701.66, 147,962.93 and 51,261.31 is: 76,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,701.66 : 147,962.93 = 51,261.31 : x
  2. Step 2: Convert to fraction form
    98,701.66/147,962.93 = 51,261.31/x
  3. Step 3: Cross multiply
    98,701.66x = 147,962.93 × 51,261.31
  4. Step 4: Simplify right side
    98,701.66x = 7,584,772,863.77
  5. Step 5: Solve for x
    x = 7,584,772,863.77/98,701.66
  6. Step 6: Final answer
    x = 76,845.44

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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.