Home / 92,777.13-128,031.89-50,334.75

Finding the Fourth Proportional to 92,777.13, 128,031.89 and 50,334.75

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Solution

The fourth proportional to 92,777.13, 128,031.89 and 50,334.75 is: 69,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.13 : 128,031.89 = 50,334.75 : x
  2. Step 2: Convert to fraction form
    92,777.13/128,031.89 = 50,334.75/x
  3. Step 3: Cross multiply
    92,777.13x = 128,031.89 × 50,334.75
  4. Step 4: Simplify right side
    92,777.13x = 6,444,452,923.50
  5. Step 5: Solve for x
    x = 6,444,452,923.50/92,777.13
  6. Step 6: Final answer
    x = 69,461.65

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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.