Home / 89,988.86-124,185.56-49,703.64

Finding the Fourth Proportional to 89,988.86, 124,185.56 and 49,703.64

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Solution

The fourth proportional to 89,988.86, 124,185.56 and 49,703.64 is: 68,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.86 : 124,185.56 = 49,703.64 : x
  2. Step 2: Convert to fraction form
    89,988.86/124,185.56 = 49,703.64/x
  3. Step 3: Cross multiply
    89,988.86x = 124,185.56 × 49,703.64
  4. Step 4: Simplify right side
    89,988.86x = 6,172,474,118.92
  5. Step 5: Solve for x
    x = 6,172,474,118.92/89,988.86
  6. Step 6: Final answer
    x = 68,591.54

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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.