Home / 91,117.84-136,548.32-43,035.19

Finding the Fourth Proportional to 91,117.84, 136,548.32 and 43,035.19

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Solution

The fourth proportional to 91,117.84, 136,548.32 and 43,035.19 is: 64,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117.84 : 136,548.32 = 43,035.19 : x
  2. Step 2: Convert to fraction form
    91,117.84/136,548.32 = 43,035.19/x
  3. Step 3: Cross multiply
    91,117.84x = 136,548.32 × 43,035.19
  4. Step 4: Simplify right side
    91,117.84x = 5,876,383,021.58
  5. Step 5: Solve for x
    x = 5,876,383,021.58/91,117.84
  6. Step 6: Final answer
    x = 64,492.12

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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.