Home / 111,086.66-153,303.45-60,790.34

Finding the Fourth Proportional to 111,086.66, 153,303.45 and 60,790.34

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Solution

The fourth proportional to 111,086.66, 153,303.45 and 60,790.34 is: 83,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,086.66 : 153,303.45 = 60,790.34 : x
  2. Step 2: Convert to fraction form
    111,086.66/153,303.45 = 60,790.34/x
  3. Step 3: Cross multiply
    111,086.66x = 153,303.45 × 60,790.34
  4. Step 4: Simplify right side
    111,086.66x = 9,319,368,848.67
  5. Step 5: Solve for x
    x = 9,319,368,848.67/111,086.66
  6. Step 6: Final answer
    x = 83,892.78

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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.