Home / 61,337.18-92,005.78-19,784.18

Finding the Fourth Proportional to 61,337.18, 92,005.78 and 19,784.18

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Solution

The fourth proportional to 61,337.18, 92,005.78 and 19,784.18 is: 29,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.18 : 92,005.78 = 19,784.18 : x
  2. Step 2: Convert to fraction form
    61,337.18/92,005.78 = 19,784.18/x
  3. Step 3: Cross multiply
    61,337.18x = 92,005.78 × 19,784.18
  4. Step 4: Simplify right side
    61,337.18x = 1,820,258,912.56
  5. Step 5: Solve for x
    x = 1,820,258,912.56/61,337.18
  6. Step 6: Final answer
    x = 29,676.27

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1.5x scale

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.