Home / 66,150.90-99,161.55-34,577.10

Finding the Fourth Proportional to 66,150.90, 99,161.55 and 34,577.10

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Solution

The fourth proportional to 66,150.90, 99,161.55 and 34,577.10 is: 51,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.90 : 99,161.55 = 34,577.10 : x
  2. Step 2: Convert to fraction form
    66,150.90/99,161.55 = 34,577.10/x
  3. Step 3: Cross multiply
    66,150.90x = 99,161.55 × 34,577.10
  4. Step 4: Simplify right side
    66,150.90x = 3,428,718,830.51
  5. Step 5: Solve for x
    x = 3,428,718,830.51/66,150.90
  6. Step 6: Final answer
    x = 51,831.78

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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.