Home / 52,312.12-72,192.14-28,440.43

Finding the Fourth Proportional to 52,312.12, 72,192.14 and 28,440.43

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Solution

The fourth proportional to 52,312.12, 72,192.14 and 28,440.43 is: 39,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.12 : 72,192.14 = 28,440.43 : x
  2. Step 2: Convert to fraction form
    52,312.12/72,192.14 = 28,440.43/x
  3. Step 3: Cross multiply
    52,312.12x = 72,192.14 × 28,440.43
  4. Step 4: Simplify right side
    52,312.12x = 2,053,175,504.22
  5. Step 5: Solve for x
    x = 2,053,175,504.22/52,312.12
  6. Step 6: Final answer
    x = 39,248.56

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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.