Home / 54,370.48-75,034.71-30,498.70

Finding the Fourth Proportional to 54,370.48, 75,034.71 and 30,498.70

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Solution

The fourth proportional to 54,370.48, 75,034.71 and 30,498.70 is: 42,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.48 : 75,034.71 = 30,498.70 : x
  2. Step 2: Convert to fraction form
    54,370.48/75,034.71 = 30,498.70/x
  3. Step 3: Cross multiply
    54,370.48x = 75,034.71 × 30,498.70
  4. Step 4: Simplify right side
    54,370.48x = 2,288,461,109.88
  5. Step 5: Solve for x
    x = 2,288,461,109.88/54,370.48
  6. Step 6: Final answer
    x = 42,090.14

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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.