Home / 62,137.57-85,720.53-42,001.48

Finding the Fourth Proportional to 62,137.57, 85,720.53 and 42,001.48

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Solution

The fourth proportional to 62,137.57, 85,720.53 and 42,001.48 is: 57,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,137.57 : 85,720.53 = 42,001.48 : x
  2. Step 2: Convert to fraction form
    62,137.57/85,720.53 = 42,001.48/x
  3. Step 3: Cross multiply
    62,137.57x = 85,720.53 × 42,001.48
  4. Step 4: Simplify right side
    62,137.57x = 3,600,389,126.38
  5. Step 5: Solve for x
    x = 3,600,389,126.38/62,137.57
  6. Step 6: Final answer
    x = 57,942.23

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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.