Home / 93,392.26-128,876.06-53,115.82

Finding the Fourth Proportional to 93,392.26, 128,876.06 and 53,115.82

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Solution

The fourth proportional to 93,392.26, 128,876.06 and 53,115.82 is: 73,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,392.26 : 128,876.06 = 53,115.82 : x
  2. Step 2: Convert to fraction form
    93,392.26/128,876.06 = 53,115.82/x
  3. Step 3: Cross multiply
    93,392.26x = 128,876.06 × 53,115.82
  4. Step 4: Simplify right side
    93,392.26x = 6,845,357,605.27
  5. Step 5: Solve for x
    x = 6,845,357,605.27/93,392.26
  6. Step 6: Final answer
    x = 73,296.84

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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.