Home / 92,421.76-127,512.48-54,688.72

Finding the Fourth Proportional to 92,421.76, 127,512.48 and 54,688.72

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Solution

The fourth proportional to 92,421.76, 127,512.48 and 54,688.72 is: 75,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.76 : 127,512.48 = 54,688.72 : x
  2. Step 2: Convert to fraction form
    92,421.76/127,512.48 = 54,688.72/x
  3. Step 3: Cross multiply
    92,421.76x = 127,512.48 × 54,688.72
  4. Step 4: Simplify right side
    92,421.76x = 6,973,494,315.23
  5. Step 5: Solve for x
    x = 6,973,494,315.23/92,421.76
  6. Step 6: Final answer
    x = 75,452.95

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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.