Home / 115,075.72-172,609.50-35,110.46

Finding the Fourth Proportional to 115,075.72, 172,609.50 and 35,110.46

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Solution

The fourth proportional to 115,075.72, 172,609.50 and 35,110.46 is: 52,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,075.72 : 172,609.50 = 35,110.46 : x
  2. Step 2: Convert to fraction form
    115,075.72/172,609.50 = 35,110.46/x
  3. Step 3: Cross multiply
    115,075.72x = 172,609.50 × 35,110.46
  4. Step 4: Simplify right side
    115,075.72x = 6,060,398,729.61
  5. Step 5: Solve for x
    x = 6,060,398,729.61/115,075.72
  6. Step 6: Final answer
    x = 52,664.44

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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.