Home / 53,349.12-80,047.14-28,383.30

Finding the Fourth Proportional to 53,349.12, 80,047.14 and 28,383.30

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Solution

The fourth proportional to 53,349.12, 80,047.14 and 28,383.30 is: 42,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,349.12 : 80,047.14 = 28,383.30 : x
  2. Step 2: Convert to fraction form
    53,349.12/80,047.14 = 28,383.30/x
  3. Step 3: Cross multiply
    53,349.12x = 80,047.14 × 28,383.30
  4. Step 4: Simplify right side
    53,349.12x = 2,272,001,988.76
  5. Step 5: Solve for x
    x = 2,272,001,988.76/53,349.12
  6. Step 6: Final answer
    x = 42,587.43

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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.