Home / 99,234.22-136,913.05-56,206.87

Finding the Fourth Proportional to 99,234.22, 136,913.05 and 56,206.87

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Solution

The fourth proportional to 99,234.22, 136,913.05 and 56,206.87 is: 77,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.22 : 136,913.05 = 56,206.87 : x
  2. Step 2: Convert to fraction form
    99,234.22/136,913.05 = 56,206.87/x
  3. Step 3: Cross multiply
    99,234.22x = 136,913.05 × 56,206.87
  4. Step 4: Simplify right side
    99,234.22x = 7,695,454,811.86
  5. Step 5: Solve for x
    x = 7,695,454,811.86/99,234.22
  6. Step 6: Final answer
    x = 77,548.40

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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.