Home / 99,237.11-136,946.63-53,914.77

Finding the Fourth Proportional to 99,237.11, 136,946.63 and 53,914.77

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Solution

The fourth proportional to 99,237.11, 136,946.63 and 53,914.77 is: 74,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,237.11 : 136,946.63 = 53,914.77 : x
  2. Step 2: Convert to fraction form
    99,237.11/136,946.63 = 53,914.77/x
  3. Step 3: Cross multiply
    99,237.11x = 136,946.63 × 53,914.77
  4. Step 4: Simplify right side
    99,237.11x = 7,383,446,193.51
  5. Step 5: Solve for x
    x = 7,383,446,193.51/99,237.11
  6. Step 6: Final answer
    x = 74,402.07

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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.