Home / 92,967.28-139,436.24-77,273.12

Finding the Fourth Proportional to 92,967.28, 139,436.24 and 77,273.12

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Solution

The fourth proportional to 92,967.28, 139,436.24 and 77,273.12 is: 115,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,967.28 : 139,436.24 = 77,273.12 : x
  2. Step 2: Convert to fraction form
    92,967.28/139,436.24 = 77,273.12/x
  3. Step 3: Cross multiply
    92,967.28x = 139,436.24 × 77,273.12
  4. Step 4: Simplify right side
    92,967.28x = 10,774,673,305.87
  5. Step 5: Solve for x
    x = 10,774,673,305.87/92,967.28
  6. Step 6: Final answer
    x = 115,897.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.