Home / 92,835.49-128,113.08-50,394.01

Finding the Fourth Proportional to 92,835.49, 128,113.08 and 50,394.01

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Solution

The fourth proportional to 92,835.49, 128,113.08 and 50,394.01 is: 69,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,835.49 : 128,113.08 = 50,394.01 : x
  2. Step 2: Convert to fraction form
    92,835.49/128,113.08 = 50,394.01/x
  3. Step 3: Cross multiply
    92,835.49x = 128,113.08 × 50,394.01
  4. Step 4: Simplify right side
    92,835.49x = 6,456,131,834.65
  5. Step 5: Solve for x
    x = 6,456,131,834.65/92,835.49
  6. Step 6: Final answer
    x = 69,543.79

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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.