Home / 86,029.06-118,709.10-50,210.86

Finding the Fourth Proportional to 86,029.06, 118,709.10 and 50,210.86

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Solution

The fourth proportional to 86,029.06, 118,709.10 and 50,210.86 is: 69,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,029.06 : 118,709.10 = 50,210.86 : x
  2. Step 2: Convert to fraction form
    86,029.06/118,709.10 = 50,210.86/x
  3. Step 3: Cross multiply
    86,029.06x = 118,709.10 × 50,210.86
  4. Step 4: Simplify right side
    86,029.06x = 5,960,486,000.83
  5. Step 5: Solve for x
    x = 5,960,486,000.83/86,029.06
  6. Step 6: Final answer
    x = 69,284.57

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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.