Home / 94,965.12-131,030.64-56,714.40

Finding the Fourth Proportional to 94,965.12, 131,030.64 and 56,714.40

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Solution

The fourth proportional to 94,965.12, 131,030.64 and 56,714.40 is: 78,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,965.12 : 131,030.64 = 56,714.40 : x
  2. Step 2: Convert to fraction form
    94,965.12/131,030.64 = 56,714.40/x
  3. Step 3: Cross multiply
    94,965.12x = 131,030.64 × 56,714.40
  4. Step 4: Simplify right side
    94,965.12x = 7,431,324,129.22
  5. Step 5: Solve for x
    x = 7,431,324,129.22/94,965.12
  6. Step 6: Final answer
    x = 78,253.20

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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.