Home / 55,075.07-76,003.41-31,206.30

Finding the Fourth Proportional to 55,075.07, 76,003.41 and 31,206.30

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Solution

The fourth proportional to 55,075.07, 76,003.41 and 31,206.30 is: 43,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,075.07 : 76,003.41 = 31,206.30 : x
  2. Step 2: Convert to fraction form
    55,075.07/76,003.41 = 31,206.30/x
  3. Step 3: Cross multiply
    55,075.07x = 76,003.41 × 31,206.30
  4. Step 4: Simplify right side
    55,075.07x = 2,371,785,045.49
  5. Step 5: Solve for x
    x = 2,371,785,045.49/55,075.07
  6. Step 6: Final answer
    x = 43,064.58

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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.