Home / 92,031.75-127,004.90-55,732.55

Finding the Fourth Proportional to 92,031.75, 127,004.90 and 55,732.55

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Solution

The fourth proportional to 92,031.75, 127,004.90 and 55,732.55 is: 76,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031.75 : 127,004.90 = 55,732.55 : x
  2. Step 2: Convert to fraction form
    92,031.75/127,004.90 = 55,732.55/x
  3. Step 3: Cross multiply
    92,031.75x = 127,004.90 × 55,732.55
  4. Step 4: Simplify right side
    92,031.75x = 7,078,306,025.81
  5. Step 5: Solve for x
    x = 7,078,306,025.81/92,031.75
  6. Step 6: Final answer
    x = 76,911.57

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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.