Home / 90,347.15-124,678.94-50,063.52

Finding the Fourth Proportional to 90,347.15, 124,678.94 and 50,063.52

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Solution

The fourth proportional to 90,347.15, 124,678.94 and 50,063.52 is: 69,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,347.15 : 124,678.94 = 50,063.52 : x
  2. Step 2: Convert to fraction form
    90,347.15/124,678.94 = 50,063.52/x
  3. Step 3: Cross multiply
    90,347.15x = 124,678.94 × 50,063.52
  4. Step 4: Simplify right side
    90,347.15x = 6,241,865,857.72
  5. Step 5: Solve for x
    x = 6,241,865,857.72/90,347.15
  6. Step 6: Final answer
    x = 69,087.58

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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.