Home / 99,312.39-148,921.65-36,087.89

Finding the Fourth Proportional to 99,312.39, 148,921.65 and 36,087.89

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Solution

The fourth proportional to 99,312.39, 148,921.65 and 36,087.89 is: 54,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312.39 : 148,921.65 = 36,087.89 : x
  2. Step 2: Convert to fraction form
    99,312.39/148,921.65 = 36,087.89/x
  3. Step 3: Cross multiply
    99,312.39x = 148,921.65 × 36,087.89
  4. Step 4: Simplify right side
    99,312.39x = 5,374,267,379.21
  5. Step 5: Solve for x
    x = 5,374,267,379.21/99,312.39
  6. Step 6: Final answer
    x = 54,114.77

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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.