Home / 98,635.18-136,108.44-55,612.34

Finding the Fourth Proportional to 98,635.18, 136,108.44 and 55,612.34

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Solution

The fourth proportional to 98,635.18, 136,108.44 and 55,612.34 is: 76,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,635.18 : 136,108.44 = 55,612.34 : x
  2. Step 2: Convert to fraction form
    98,635.18/136,108.44 = 55,612.34/x
  3. Step 3: Cross multiply
    98,635.18x = 136,108.44 × 55,612.34
  4. Step 4: Simplify right side
    98,635.18x = 7,569,308,842.15
  5. Step 5: Solve for x
    x = 7,569,308,842.15/98,635.18
  6. Step 6: Final answer
    x = 76,740.46

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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.