Home / 99,056.08-136,706.82-56,606.38

Finding the Fourth Proportional to 99,056.08, 136,706.82 and 56,606.38

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Solution

The fourth proportional to 99,056.08, 136,706.82 and 56,606.38 is: 78,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,056.08 : 136,706.82 = 56,606.38 : x
  2. Step 2: Convert to fraction form
    99,056.08/136,706.82 = 56,606.38/x
  3. Step 3: Cross multiply
    99,056.08x = 136,706.82 × 56,606.38
  4. Step 4: Simplify right side
    99,056.08x = 7,738,478,201.51
  5. Step 5: Solve for x
    x = 7,738,478,201.51/99,056.08
  6. Step 6: Final answer
    x = 78,122.19

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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.