Home / 80,645.61-111,285.75-44,834.70

Finding the Fourth Proportional to 80,645.61, 111,285.75 and 44,834.70

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Solution

The fourth proportional to 80,645.61, 111,285.75 and 44,834.70 is: 61,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.61 : 111,285.75 = 44,834.70 : x
  2. Step 2: Convert to fraction form
    80,645.61/111,285.75 = 44,834.70/x
  3. Step 3: Cross multiply
    80,645.61x = 111,285.75 × 44,834.70
  4. Step 4: Simplify right side
    80,645.61x = 4,989,463,215.53
  5. Step 5: Solve for x
    x = 4,989,463,215.53/80,645.61
  6. Step 6: Final answer
    x = 61,869.00

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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.