Home / 99,824.10-137,756.47-54,502.01

Finding the Fourth Proportional to 99,824.10, 137,756.47 and 54,502.01

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Solution

The fourth proportional to 99,824.10, 137,756.47 and 54,502.01 is: 75,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,824.10 : 137,756.47 = 54,502.01 : x
  2. Step 2: Convert to fraction form
    99,824.10/137,756.47 = 54,502.01/x
  3. Step 3: Cross multiply
    99,824.10x = 137,756.47 × 54,502.01
  4. Step 4: Simplify right side
    99,824.10x = 7,508,005,227.41
  5. Step 5: Solve for x
    x = 7,508,005,227.41/99,824.10
  6. Step 6: Final answer
    x = 75,212.35

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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.