Home / 53,589.39-73,868.13-42,240.48

Finding the Fourth Proportional to 53,589.39, 73,868.13 and 42,240.48

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Solution

The fourth proportional to 53,589.39, 73,868.13 and 42,240.48 is: 58,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.39 : 73,868.13 = 42,240.48 : x
  2. Step 2: Convert to fraction form
    53,589.39/73,868.13 = 42,240.48/x
  3. Step 3: Cross multiply
    53,589.39x = 73,868.13 × 42,240.48
  4. Step 4: Simplify right side
    53,589.39x = 3,120,225,267.90
  5. Step 5: Solve for x
    x = 3,120,225,267.90/53,589.39
  6. Step 6: Final answer
    x = 58,224.68

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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.