Home / 92,886.21-128,182.97-52,607.75

Finding the Fourth Proportional to 92,886.21, 128,182.97 and 52,607.75

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Solution

The fourth proportional to 92,886.21, 128,182.97 and 52,607.75 is: 72,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,886.21 : 128,182.97 = 52,607.75 : x
  2. Step 2: Convert to fraction form
    92,886.21/128,182.97 = 52,607.75/x
  3. Step 3: Cross multiply
    92,886.21x = 128,182.97 × 52,607.75
  4. Step 4: Simplify right side
    92,886.21x = 6,743,418,323.14
  5. Step 5: Solve for x
    x = 6,743,418,323.14/92,886.21
  6. Step 6: Final answer
    x = 72,598.71

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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.