Home / 99,016.56-136,652.76-56,581.44

Finding the Fourth Proportional to 99,016.56, 136,652.76 and 56,581.44

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Solution

The fourth proportional to 99,016.56, 136,652.76 and 56,581.44 is: 78,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.56 : 136,652.76 = 56,581.44 : x
  2. Step 2: Convert to fraction form
    99,016.56/136,652.76 = 56,581.44/x
  3. Step 3: Cross multiply
    99,016.56x = 136,652.76 × 56,581.44
  4. Step 4: Simplify right side
    99,016.56x = 7,732,009,940.77
  5. Step 5: Solve for x
    x = 7,732,009,940.77/99,016.56
  6. Step 6: Final answer
    x = 78,088.05

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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.