Home / 99,283.13-137,011.77-53,961.12

Finding the Fourth Proportional to 99,283.13, 137,011.77 and 53,961.12

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Solution

The fourth proportional to 99,283.13, 137,011.77 and 53,961.12 is: 74,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,283.13 : 137,011.77 = 53,961.12 : x
  2. Step 2: Convert to fraction form
    99,283.13/137,011.77 = 53,961.12/x
  3. Step 3: Cross multiply
    99,283.13x = 137,011.77 × 53,961.12
  4. Step 4: Simplify right side
    99,283.13x = 7,393,307,877.32
  5. Step 5: Solve for x
    x = 7,393,307,877.32/99,283.13
  6. Step 6: Final answer
    x = 74,466.91

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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.