Home / 48,534.14-66,966.77-28,387.08

Finding the Fourth Proportional to 48,534.14, 66,966.77 and 28,387.08

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Solution

The fourth proportional to 48,534.14, 66,966.77 and 28,387.08 is: 39,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,534.14 : 66,966.77 = 28,387.08 : x
  2. Step 2: Convert to fraction form
    48,534.14/66,966.77 = 28,387.08/x
  3. Step 3: Cross multiply
    48,534.14x = 66,966.77 × 28,387.08
  4. Step 4: Simplify right side
    48,534.14x = 1,900,991,057.33
  5. Step 5: Solve for x
    x = 1,900,991,057.33/48,534.14
  6. Step 6: Final answer
    x = 39,168.12

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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.