Home / 53,417.07-80,131.05-18,352.17

Finding the Fourth Proportional to 53,417.07, 80,131.05 and 18,352.17

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Solution

The fourth proportional to 53,417.07, 80,131.05 and 18,352.17 is: 27,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,417.07 : 80,131.05 = 18,352.17 : x
  2. Step 2: Convert to fraction form
    53,417.07/80,131.05 = 18,352.17/x
  3. Step 3: Cross multiply
    53,417.07x = 80,131.05 × 18,352.17
  4. Step 4: Simplify right side
    53,417.07x = 1,470,578,651.88
  5. Step 5: Solve for x
    x = 1,470,578,651.88/53,417.07
  6. Step 6: Final answer
    x = 27,530.13

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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.