Home / 74,570.15-111,855.15-35,130.33

Finding the Fourth Proportional to 74,570.15, 111,855.15 and 35,130.33

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Solution

The fourth proportional to 74,570.15, 111,855.15 and 35,130.33 is: 52,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,570.15 : 111,855.15 = 35,130.33 : x
  2. Step 2: Convert to fraction form
    74,570.15/111,855.15 = 35,130.33/x
  3. Step 3: Cross multiply
    74,570.15x = 111,855.15 × 35,130.33
  4. Step 4: Simplify right side
    74,570.15x = 3,929,508,331.70
  5. Step 5: Solve for x
    x = 3,929,508,331.70/74,570.15
  6. Step 6: Final answer
    x = 52,695.46

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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.