Home / 97,886.16-135,102.33-63,900.18

Finding the Fourth Proportional to 97,886.16, 135,102.33 and 63,900.18

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Solution

The fourth proportional to 97,886.16, 135,102.33 and 63,900.18 is: 88,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,886.16 : 135,102.33 = 63,900.18 : x
  2. Step 2: Convert to fraction form
    97,886.16/135,102.33 = 63,900.18/x
  3. Step 3: Cross multiply
    97,886.16x = 135,102.33 × 63,900.18
  4. Step 4: Simplify right side
    97,886.16x = 8,633,063,205.42
  5. Step 5: Solve for x
    x = 8,633,063,205.42/97,886.16
  6. Step 6: Final answer
    x = 88,194.93

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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.