Home / 92,701.18-138,944.66-42,676.40

Finding the Fourth Proportional to 92,701.18, 138,944.66 and 42,676.40

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Solution

The fourth proportional to 92,701.18, 138,944.66 and 42,676.40 is: 63,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,701.18 : 138,944.66 = 42,676.40 : x
  2. Step 2: Convert to fraction form
    92,701.18/138,944.66 = 42,676.40/x
  3. Step 3: Cross multiply
    92,701.18x = 138,944.66 × 42,676.40
  4. Step 4: Simplify right side
    92,701.18x = 5,929,657,888.02
  5. Step 5: Solve for x
    x = 5,929,657,888.02/92,701.18
  6. Step 6: Final answer
    x = 63,965.29

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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.