Home / 99,606.68-137,453.20-54,283.69

Finding the Fourth Proportional to 99,606.68, 137,453.20 and 54,283.69

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Solution

The fourth proportional to 99,606.68, 137,453.20 and 54,283.69 is: 74,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.68 : 137,453.20 = 54,283.69 : x
  2. Step 2: Convert to fraction form
    99,606.68/137,453.20 = 54,283.69/x
  3. Step 3: Cross multiply
    99,606.68x = 137,453.20 × 54,283.69
  4. Step 4: Simplify right side
    99,606.68x = 7,461,466,898.31
  5. Step 5: Solve for x
    x = 7,461,466,898.31/99,606.68
  6. Step 6: Final answer
    x = 74,909.30

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1.5x scale

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.