Home / 98,905.64-136,466.15-58,612.46

Finding the Fourth Proportional to 98,905.64, 136,466.15 and 58,612.46

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Solution

The fourth proportional to 98,905.64, 136,466.15 and 58,612.46 is: 80,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.64 : 136,466.15 = 58,612.46 : x
  2. Step 2: Convert to fraction form
    98,905.64/136,466.15 = 58,612.46/x
  3. Step 3: Cross multiply
    98,905.64x = 136,466.15 × 58,612.46
  4. Step 4: Simplify right side
    98,905.64x = 7,998,615,782.84
  5. Step 5: Solve for x
    x = 7,998,615,782.84/98,905.64
  6. Step 6: Final answer
    x = 80,871.18

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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.