Home / 92,934.12-139,412.70-30,626.28

Finding the Fourth Proportional to 92,934.12, 139,412.70 and 30,626.28

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Solution

The fourth proportional to 92,934.12, 139,412.70 and 30,626.28 is: 45,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.12 : 139,412.70 = 30,626.28 : x
  2. Step 2: Convert to fraction form
    92,934.12/139,412.70 = 30,626.28/x
  3. Step 3: Cross multiply
    92,934.12x = 139,412.70 × 30,626.28
  4. Step 4: Simplify right side
    92,934.12x = 4,269,692,385.76
  5. Step 5: Solve for x
    x = 4,269,692,385.76/92,934.12
  6. Step 6: Final answer
    x = 45,943.22

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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.