Home / 92,784.30-128,031.55-51,950.73

Finding the Fourth Proportional to 92,784.30, 128,031.55 and 51,950.73

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Solution

The fourth proportional to 92,784.30, 128,031.55 and 51,950.73 is: 71,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,784.30 : 128,031.55 = 51,950.73 : x
  2. Step 2: Convert to fraction form
    92,784.30/128,031.55 = 51,950.73/x
  3. Step 3: Cross multiply
    92,784.30x = 128,031.55 × 51,950.73
  4. Step 4: Simplify right side
    92,784.30x = 6,651,332,485.53
  5. Step 5: Solve for x
    x = 6,651,332,485.53/92,784.30
  6. Step 6: Final answer
    x = 71,685.97

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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.