Home / 48,160.12-72,142.26-39,307

Finding the Fourth Proportional to 48,160.12, 72,142.26 and 39,307

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Solution

The fourth proportional to 48,160.12, 72,142.26 and 39,307 is: 58,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,160.12 : 72,142.26 = 39,307 : x
  2. Step 2: Convert to fraction form
    48,160.12/72,142.26 = 39,307/x
  3. Step 3: Cross multiply
    48,160.12x = 72,142.26 × 39,307
  4. Step 4: Simplify right side
    48,160.12x = 2,835,695,813.82
  5. Step 5: Solve for x
    x = 2,835,695,813.82/48,160.12
  6. Step 6: Final answer
    x = 58,880.58

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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.