Home / 92,907.07-128,211.19-50,465.23

Finding the Fourth Proportional to 92,907.07, 128,211.19 and 50,465.23

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Solution

The fourth proportional to 92,907.07, 128,211.19 and 50,465.23 is: 69,641.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.07 : 128,211.19 = 50,465.23 : x
  2. Step 2: Convert to fraction form
    92,907.07/128,211.19 = 50,465.23/x
  3. Step 3: Cross multiply
    92,907.07x = 128,211.19 × 50,465.23
  4. Step 4: Simplify right side
    92,907.07x = 6,470,207,191.92
  5. Step 5: Solve for x
    x = 6,470,207,191.92/92,907.07
  6. Step 6: Final answer
    x = 69,641.71

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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.