Home / 102,460.42-141,392.04-56,519.95

Finding the Fourth Proportional to 102,460.42, 141,392.04 and 56,519.95

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Solution

The fourth proportional to 102,460.42, 141,392.04 and 56,519.95 is: 77,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,460.42 : 141,392.04 = 56,519.95 : x
  2. Step 2: Convert to fraction form
    102,460.42/141,392.04 = 56,519.95/x
  3. Step 3: Cross multiply
    102,460.42x = 141,392.04 × 56,519.95
  4. Step 4: Simplify right side
    102,460.42x = 7,991,471,031.20
  5. Step 5: Solve for x
    x = 7,991,471,031.20/102,460.42
  6. Step 6: Final answer
    x = 77,995.69

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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.