Home / 57,501.12-78,927.60-51,072.96

Finding the Fourth Proportional to 57,501.12, 78,927.60 and 51,072.96

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Solution

The fourth proportional to 57,501.12, 78,927.60 and 51,072.96 is: 70,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,501.12 : 78,927.60 = 51,072.96 : x
  2. Step 2: Convert to fraction form
    57,501.12/78,927.60 = 51,072.96/x
  3. Step 3: Cross multiply
    57,501.12x = 78,927.60 × 51,072.96
  4. Step 4: Simplify right side
    57,501.12x = 4,031,066,157.70
  5. Step 5: Solve for x
    x = 4,031,066,157.70/57,501.12
  6. Step 6: Final answer
    x = 70,104.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.