Home / 92,720.25-127,953.95-50,278.82

Finding the Fourth Proportional to 92,720.25, 127,953.95 and 50,278.82

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Solution

The fourth proportional to 92,720.25, 127,953.95 and 50,278.82 is: 69,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,720.25 : 127,953.95 = 50,278.82 : x
  2. Step 2: Convert to fraction form
    92,720.25/127,953.95 = 50,278.82/x
  3. Step 3: Cross multiply
    92,720.25x = 127,953.95 × 50,278.82
  4. Step 4: Simplify right side
    92,720.25x = 6,433,372,729.18
  5. Step 5: Solve for x
    x = 6,433,372,729.18/92,720.25
  6. Step 6: Final answer
    x = 69,384.76

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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.