Home / 57,152.01-85,722.54-19,706.92

Finding the Fourth Proportional to 57,152.01, 85,722.54 and 19,706.92

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Solution

The fourth proportional to 57,152.01, 85,722.54 and 19,706.92 is: 29,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.01 : 85,722.54 = 19,706.92 : x
  2. Step 2: Convert to fraction form
    57,152.01/85,722.54 = 19,706.92/x
  3. Step 3: Cross multiply
    57,152.01x = 85,722.54 × 19,706.92
  4. Step 4: Simplify right side
    57,152.01x = 1,689,327,274.00
  5. Step 5: Solve for x
    x = 1,689,327,274.00/57,152.01
  6. Step 6: Final answer
    x = 29,558.50

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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.