Home / 99,926.79-137,899.32-54,604.77

Finding the Fourth Proportional to 99,926.79, 137,899.32 and 54,604.77

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Solution

The fourth proportional to 99,926.79, 137,899.32 and 54,604.77 is: 75,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.79 : 137,899.32 = 54,604.77 : x
  2. Step 2: Convert to fraction form
    99,926.79/137,899.32 = 54,604.77/x
  3. Step 3: Cross multiply
    99,926.79x = 137,899.32 × 54,604.77
  4. Step 4: Simplify right side
    99,926.79x = 7,529,960,651.76
  5. Step 5: Solve for x
    x = 7,529,960,651.76/99,926.79
  6. Step 6: Final answer
    x = 75,354.77

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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.