Home / 92,835.69-128,113.14-50,394.21

Finding the Fourth Proportional to 92,835.69, 128,113.14 and 50,394.21

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Solution

The fourth proportional to 92,835.69, 128,113.14 and 50,394.21 is: 69,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.69 : 128,113.14 = 50,394.21 : x
  2. Step 2: Convert to fraction form
    92,835.69/128,113.14 = 50,394.21/x
  3. Step 3: Cross multiply
    92,835.69x = 128,113.14 × 50,394.21
  4. Step 4: Simplify right side
    92,835.69x = 6,456,160,480.92
  5. Step 5: Solve for x
    x = 6,456,160,480.92/92,835.69
  6. Step 6: Final answer
    x = 69,543.95

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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.