Home / 99,606.93-137,453.55-54,283.95

Finding the Fourth Proportional to 99,606.93, 137,453.55 and 54,283.95

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Solution

The fourth proportional to 99,606.93, 137,453.55 and 54,283.95 is: 74,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.93 : 137,453.55 = 54,283.95 : x
  2. Step 2: Convert to fraction form
    99,606.93/137,453.55 = 54,283.95/x
  3. Step 3: Cross multiply
    99,606.93x = 137,453.55 × 54,283.95
  4. Step 4: Simplify right side
    99,606.93x = 7,461,521,635.52
  5. Step 5: Solve for x
    x = 7,461,521,635.52/99,606.93
  6. Step 6: Final answer
    x = 74,909.66

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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.