Home / 80,509.56-111,106.67-44,699.58

Finding the Fourth Proportional to 80,509.56, 111,106.67 and 44,699.58

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Solution

The fourth proportional to 80,509.56, 111,106.67 and 44,699.58 is: 61,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,509.56 : 111,106.67 = 44,699.58 : x
  2. Step 2: Convert to fraction form
    80,509.56/111,106.67 = 44,699.58/x
  3. Step 3: Cross multiply
    80,509.56x = 111,106.67 × 44,699.58
  4. Step 4: Simplify right side
    80,509.56x = 4,966,421,260.70
  5. Step 5: Solve for x
    x = 4,966,421,260.70/80,509.56
  6. Step 6: Final answer
    x = 61,687.35

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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.