Home / 92,947.32-139,056.02-71,727.04

Finding the Fourth Proportional to 92,947.32, 139,056.02 and 71,727.04

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Solution

The fourth proportional to 92,947.32, 139,056.02 and 71,727.04 is: 107,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,947.32 : 139,056.02 = 71,727.04 : x
  2. Step 2: Convert to fraction form
    92,947.32/139,056.02 = 71,727.04/x
  3. Step 3: Cross multiply
    92,947.32x = 139,056.02 × 71,727.04
  4. Step 4: Simplify right side
    92,947.32x = 9,974,076,792.94
  5. Step 5: Solve for x
    x = 9,974,076,792.94/92,947.32
  6. Step 6: Final answer
    x = 107,308.92

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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.