Home / 99,052.23-136,658.83-56,580.69

Finding the Fourth Proportional to 99,052.23, 136,658.83 and 56,580.69

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Solution

The fourth proportional to 99,052.23, 136,658.83 and 56,580.69 is: 78,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,052.23 : 136,658.83 = 56,580.69 : x
  2. Step 2: Convert to fraction form
    99,052.23/136,658.83 = 56,580.69/x
  3. Step 3: Cross multiply
    99,052.23x = 136,658.83 × 56,580.69
  4. Step 4: Simplify right side
    99,052.23x = 7,732,250,895.99
  5. Step 5: Solve for x
    x = 7,732,250,895.99/99,052.23
  6. Step 6: Final answer
    x = 78,062.36

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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.