Home / 62,435.84-86,137.38-38,521.04

Finding the Fourth Proportional to 62,435.84, 86,137.38 and 38,521.04

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Solution

The fourth proportional to 62,435.84, 86,137.38 and 38,521.04 is: 53,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,435.84 : 86,137.38 = 38,521.04 : x
  2. Step 2: Convert to fraction form
    62,435.84/86,137.38 = 38,521.04/x
  3. Step 3: Cross multiply
    62,435.84x = 86,137.38 × 38,521.04
  4. Step 4: Simplify right side
    62,435.84x = 3,318,101,460.48
  5. Step 5: Solve for x
    x = 3,318,101,460.48/62,435.84
  6. Step 6: Final answer
    x = 53,144.18

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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.