Home / 94,937.10-131,016.60-56,713.20

Finding the Fourth Proportional to 94,937.10, 131,016.60 and 56,713.20

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Solution

The fourth proportional to 94,937.10, 131,016.60 and 56,713.20 is: 78,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,937.10 : 131,016.60 = 56,713.20 : x
  2. Step 2: Convert to fraction form
    94,937.10/131,016.60 = 56,713.20/x
  3. Step 3: Cross multiply
    94,937.10x = 131,016.60 × 56,713.20
  4. Step 4: Simplify right side
    94,937.10x = 7,430,370,639.12
  5. Step 5: Solve for x
    x = 7,430,370,639.12/94,937.10
  6. Step 6: Final answer
    x = 78,266.25

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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.