Home / 48,852.14-67,412.13-28,709.78

Finding the Fourth Proportional to 48,852.14, 67,412.13 and 28,709.78

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Solution

The fourth proportional to 48,852.14, 67,412.13 and 28,709.78 is: 39,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,852.14 : 67,412.13 = 28,709.78 : x
  2. Step 2: Convert to fraction form
    48,852.14/67,412.13 = 28,709.78/x
  3. Step 3: Cross multiply
    48,852.14x = 67,412.13 × 28,709.78
  4. Step 4: Simplify right side
    48,852.14x = 1,935,387,421.63
  5. Step 5: Solve for x
    x = 1,935,387,421.63/48,852.14
  6. Step 6: Final answer
    x = 39,617.25

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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.