Home / 85,247.03-127,907.43-45,758.03

Finding the Fourth Proportional to 85,247.03, 127,907.43 and 45,758.03

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Solution

The fourth proportional to 85,247.03, 127,907.43 and 45,758.03 is: 68,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.03 : 127,907.43 = 45,758.03 : x
  2. Step 2: Convert to fraction form
    85,247.03/127,907.43 = 45,758.03/x
  3. Step 3: Cross multiply
    85,247.03x = 127,907.43 × 45,758.03
  4. Step 4: Simplify right side
    85,247.03x = 5,852,792,019.16
  5. Step 5: Solve for x
    x = 5,852,792,019.16/85,247.03
  6. Step 6: Final answer
    x = 68,656.84

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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.