Home / 83,501.02-115,234.07-45,774.94

Finding the Fourth Proportional to 83,501.02, 115,234.07 and 45,774.94

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Solution

The fourth proportional to 83,501.02, 115,234.07 and 45,774.94 is: 63,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.02 : 115,234.07 = 45,774.94 : x
  2. Step 2: Convert to fraction form
    83,501.02/115,234.07 = 45,774.94/x
  3. Step 3: Cross multiply
    83,501.02x = 115,234.07 × 45,774.94
  4. Step 4: Simplify right side
    83,501.02x = 5,274,832,640.21
  5. Step 5: Solve for x
    x = 5,274,832,640.21/83,501.02
  6. Step 6: Final answer
    x = 63,170.88

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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.