Home / 98,441.16-135,801.51-64,434.66

Finding the Fourth Proportional to 98,441.16, 135,801.51 and 64,434.66

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Solution

The fourth proportional to 98,441.16, 135,801.51 and 64,434.66 is: 88,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441.16 : 135,801.51 = 64,434.66 : x
  2. Step 2: Convert to fraction form
    98,441.16/135,801.51 = 64,434.66/x
  3. Step 3: Cross multiply
    98,441.16x = 135,801.51 × 64,434.66
  4. Step 4: Simplify right side
    98,441.16x = 8,750,324,124.34
  5. Step 5: Solve for x
    x = 8,750,324,124.34/98,441.16
  6. Step 6: Final answer
    x = 88,888.88

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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.