Home / 89,959.96-124,089.39-72,097.65

Finding the Fourth Proportional to 89,959.96, 124,089.39 and 72,097.65

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Solution

The fourth proportional to 89,959.96, 124,089.39 and 72,097.65 is: 99,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.96 : 124,089.39 = 72,097.65 : x
  2. Step 2: Convert to fraction form
    89,959.96/124,089.39 = 72,097.65/x
  3. Step 3: Cross multiply
    89,959.96x = 124,089.39 × 72,097.65
  4. Step 4: Simplify right side
    89,959.96x = 8,946,553,408.93
  5. Step 5: Solve for x
    x = 8,946,553,408.93/89,959.96
  6. Step 6: Final answer
    x = 99,450.39

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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.