Home / 82,900.42-124,253.22-38,433.58

Finding the Fourth Proportional to 82,900.42, 124,253.22 and 38,433.58

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Solution

The fourth proportional to 82,900.42, 124,253.22 and 38,433.58 is: 57,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,900.42 : 124,253.22 = 38,433.58 : x
  2. Step 2: Convert to fraction form
    82,900.42/124,253.22 = 38,433.58/x
  3. Step 3: Cross multiply
    82,900.42x = 124,253.22 × 38,433.58
  4. Step 4: Simplify right side
    82,900.42x = 4,775,496,071.13
  5. Step 5: Solve for x
    x = 4,775,496,071.13/82,900.42
  6. Step 6: Final answer
    x = 57,605.21

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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.