Home / 92,864.22-128,149.14-50,421.84

Finding the Fourth Proportional to 92,864.22, 128,149.14 and 50,421.84

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Solution

The fourth proportional to 92,864.22, 128,149.14 and 50,421.84 is: 69,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,864.22 : 128,149.14 = 50,421.84 : x
  2. Step 2: Convert to fraction form
    92,864.22/128,149.14 = 50,421.84/x
  3. Step 3: Cross multiply
    92,864.22x = 128,149.14 × 50,421.84
  4. Step 4: Simplify right side
    92,864.22x = 6,461,515,433.22
  5. Step 5: Solve for x
    x = 6,461,515,433.22/92,864.22
  6. Step 6: Final answer
    x = 69,580.25

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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.