Home / 99,234.12-148,796.40-51,730.68

Finding the Fourth Proportional to 99,234.12, 148,796.40 and 51,730.68

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Solution

The fourth proportional to 99,234.12, 148,796.40 and 51,730.68 is: 77,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,234.12 : 148,796.40 = 51,730.68 : x
  2. Step 2: Convert to fraction form
    99,234.12/148,796.40 = 51,730.68/x
  3. Step 3: Cross multiply
    99,234.12x = 148,796.40 × 51,730.68
  4. Step 4: Simplify right side
    99,234.12x = 7,697,338,953.55
  5. Step 5: Solve for x
    x = 7,697,338,953.55/99,234.12
  6. Step 6: Final answer
    x = 77,567.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.