Home / 81,562.92-112,555.08-44,768.64

Finding the Fourth Proportional to 81,562.92, 112,555.08 and 44,768.64

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Solution

The fourth proportional to 81,562.92, 112,555.08 and 44,768.64 is: 61,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.92 : 112,555.08 = 44,768.64 : x
  2. Step 2: Convert to fraction form
    81,562.92/112,555.08 = 44,768.64/x
  3. Step 3: Cross multiply
    81,562.92x = 112,555.08 × 44,768.64
  4. Step 4: Simplify right side
    81,562.92x = 5,038,937,856.69
  5. Step 5: Solve for x
    x = 5,038,937,856.69/81,562.92
  6. Step 6: Final answer
    x = 61,779.76

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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.