Home / 99,095.83-136,751.55-53,772.66

Finding the Fourth Proportional to 99,095.83, 136,751.55 and 53,772.66

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Solution

The fourth proportional to 99,095.83, 136,751.55 and 53,772.66 is: 74,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,095.83 : 136,751.55 = 53,772.66 : x
  2. Step 2: Convert to fraction form
    99,095.83/136,751.55 = 53,772.66/x
  3. Step 3: Cross multiply
    99,095.83x = 136,751.55 × 53,772.66
  4. Step 4: Simplify right side
    99,095.83x = 7,353,494,602.62
  5. Step 5: Solve for x
    x = 7,353,494,602.62/99,095.83
  6. Step 6: Final answer
    x = 74,205.89

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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.