Home / 92,575.09-138,676.74-42,585.40

Finding the Fourth Proportional to 92,575.09, 138,676.74 and 42,585.40

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Solution

The fourth proportional to 92,575.09, 138,676.74 and 42,585.40 is: 63,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.09 : 138,676.74 = 42,585.40 : x
  2. Step 2: Convert to fraction form
    92,575.09/138,676.74 = 42,585.40/x
  3. Step 3: Cross multiply
    92,575.09x = 138,676.74 × 42,585.40
  4. Step 4: Simplify right side
    92,575.09x = 5,905,604,443.60
  5. Step 5: Solve for x
    x = 5,905,604,443.60/92,575.09
  6. Step 6: Final answer
    x = 63,792.59

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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.