Home / 57,852.46-86,780.60-19,901.35

Finding the Fourth Proportional to 57,852.46, 86,780.60 and 19,901.35

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Solution

The fourth proportional to 57,852.46, 86,780.60 and 19,901.35 is: 29,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,852.46 : 86,780.60 = 19,901.35 : x
  2. Step 2: Convert to fraction form
    57,852.46/86,780.60 = 19,901.35/x
  3. Step 3: Cross multiply
    57,852.46x = 86,780.60 × 19,901.35
  4. Step 4: Simplify right side
    57,852.46x = 1,727,051,093.81
  5. Step 5: Solve for x
    x = 1,727,051,093.81/57,852.46
  6. Step 6: Final answer
    x = 29,852.68

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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.