Home / 99,156.51-136,835.73-53,834.11

Finding the Fourth Proportional to 99,156.51, 136,835.73 and 53,834.11

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Solution

The fourth proportional to 99,156.51, 136,835.73 and 53,834.11 is: 74,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156.51 : 136,835.73 = 53,834.11 : x
  2. Step 2: Convert to fraction form
    99,156.51/136,835.73 = 53,834.11/x
  3. Step 3: Cross multiply
    99,156.51x = 136,835.73 × 53,834.11
  4. Step 4: Simplify right side
    99,156.51x = 7,366,429,398.66
  5. Step 5: Solve for x
    x = 7,366,429,398.66/99,156.51
  6. Step 6: Final answer
    x = 74,290.93

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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.