Home / 81,011.08-111,795.42-44,711.68

Finding the Fourth Proportional to 81,011.08, 111,795.42 and 44,711.68

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Solution

The fourth proportional to 81,011.08, 111,795.42 and 44,711.68 is: 61,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,011.08 : 111,795.42 = 44,711.68 : x
  2. Step 2: Convert to fraction form
    81,011.08/111,795.42 = 44,711.68/x
  3. Step 3: Cross multiply
    81,011.08x = 111,795.42 × 44,711.68
  4. Step 4: Simplify right side
    81,011.08x = 4,998,561,044.51
  5. Step 5: Solve for x
    x = 4,998,561,044.51/81,011.08
  6. Step 6: Final answer
    x = 61,702.19

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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.