Home / 55,486.13-76,573.92-31,608.23

Finding the Fourth Proportional to 55,486.13, 76,573.92 and 31,608.23

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Solution

The fourth proportional to 55,486.13, 76,573.92 and 31,608.23 is: 43,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.13 : 76,573.92 = 31,608.23 : x
  2. Step 2: Convert to fraction form
    55,486.13/76,573.92 = 31,608.23/x
  3. Step 3: Cross multiply
    55,486.13x = 76,573.92 × 31,608.23
  4. Step 4: Simplify right side
    55,486.13x = 2,420,366,075.36
  5. Step 5: Solve for x
    x = 2,420,366,075.36/55,486.13
  6. Step 6: Final answer
    x = 43,621.10

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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.