Home / 99,214.34-136,901.42-56,764.94

Finding the Fourth Proportional to 99,214.34, 136,901.42 and 56,764.94

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Solution

The fourth proportional to 99,214.34, 136,901.42 and 56,764.94 is: 78,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,214.34 : 136,901.42 = 56,764.94 : x
  2. Step 2: Convert to fraction form
    99,214.34/136,901.42 = 56,764.94/x
  3. Step 3: Cross multiply
    99,214.34x = 136,901.42 × 56,764.94
  4. Step 4: Simplify right side
    99,214.34x = 7,771,200,892.21
  5. Step 5: Solve for x
    x = 7,771,200,892.21/99,214.34
  6. Step 6: Final answer
    x = 78,327.40

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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.