Home / 97,932.42-134,937.09-66,045.42

Finding the Fourth Proportional to 97,932.42, 134,937.09 and 66,045.42

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Solution

The fourth proportional to 97,932.42, 134,937.09 and 66,045.42 is: 91,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,932.42 : 134,937.09 = 66,045.42 : x
  2. Step 2: Convert to fraction form
    97,932.42/134,937.09 = 66,045.42/x
  3. Step 3: Cross multiply
    97,932.42x = 134,937.09 × 66,045.42
  4. Step 4: Simplify right side
    97,932.42x = 8,911,976,782.63
  5. Step 5: Solve for x
    x = 8,911,976,782.63/97,932.42
  6. Step 6: Final answer
    x = 91,001.29

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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.