Home / 92,937.30-128,255.36-50,498.56

Finding the Fourth Proportional to 92,937.30, 128,255.36 and 50,498.56

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Solution

The fourth proportional to 92,937.30, 128,255.36 and 50,498.56 is: 69,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,937.30 : 128,255.36 = 50,498.56 : x
  2. Step 2: Convert to fraction form
    92,937.30/128,255.36 = 50,498.56/x
  3. Step 3: Cross multiply
    92,937.30x = 128,255.36 × 50,498.56
  4. Step 4: Simplify right side
    92,937.30x = 6,476,710,992.28
  5. Step 5: Solve for x
    x = 6,476,710,992.28/92,937.30
  6. Step 6: Final answer
    x = 69,689.04

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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.