Home / 54,598.56-81,910.80-28,315.68

Finding the Fourth Proportional to 54,598.56, 81,910.80 and 28,315.68

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Solution

The fourth proportional to 54,598.56, 81,910.80 and 28,315.68 is: 42,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.56 : 81,910.80 = 28,315.68 : x
  2. Step 2: Convert to fraction form
    54,598.56/81,910.80 = 28,315.68/x
  3. Step 3: Cross multiply
    54,598.56x = 81,910.80 × 28,315.68
  4. Step 4: Simplify right side
    54,598.56x = 2,319,360,001.34
  5. Step 5: Solve for x
    x = 2,319,360,001.34/54,598.56
  6. Step 6: Final answer
    x = 42,480.24

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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.