Home / 62,631.92-86,437.50-34,343.12

Finding the Fourth Proportional to 62,631.92, 86,437.50 and 34,343.12

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Solution

The fourth proportional to 62,631.92, 86,437.50 and 34,343.12 is: 47,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.92 : 86,437.50 = 34,343.12 : x
  2. Step 2: Convert to fraction form
    62,631.92/86,437.50 = 34,343.12/x
  3. Step 3: Cross multiply
    62,631.92x = 86,437.50 × 34,343.12
  4. Step 4: Simplify right side
    62,631.92x = 2,968,533,435
  5. Step 5: Solve for x
    x = 2,968,533,435/62,631.92
  6. Step 6: Final answer
    x = 47,396.49

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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.