Home / 99,327.79-137,072.91-54,006.22

Finding the Fourth Proportional to 99,327.79, 137,072.91 and 54,006.22

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Solution

The fourth proportional to 99,327.79, 137,072.91 and 54,006.22 is: 74,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.79 : 137,072.91 = 54,006.22 : x
  2. Step 2: Convert to fraction form
    99,327.79/137,072.91 = 54,006.22/x
  3. Step 3: Cross multiply
    99,327.79x = 137,072.91 × 54,006.22
  4. Step 4: Simplify right side
    99,327.79x = 7,402,789,733.50
  5. Step 5: Solve for x
    x = 7,402,789,733.50/99,327.79
  6. Step 6: Final answer
    x = 74,528.89

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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.