Home / 99,256.54-136,973.76-53,934.52

Finding the Fourth Proportional to 99,256.54, 136,973.76 and 53,934.52

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Solution

The fourth proportional to 99,256.54, 136,973.76 and 53,934.52 is: 74,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,256.54 : 136,973.76 = 53,934.52 : x
  2. Step 2: Convert to fraction form
    99,256.54/136,973.76 = 53,934.52/x
  3. Step 3: Cross multiply
    99,256.54x = 136,973.76 × 53,934.52
  4. Step 4: Simplify right side
    99,256.54x = 7,387,614,340.63
  5. Step 5: Solve for x
    x = 7,387,614,340.63/99,256.54
  6. Step 6: Final answer
    x = 74,429.50

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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.