Home / 111,619.44-154,030.86-60,630.30

Finding the Fourth Proportional to 111,619.44, 154,030.86 and 60,630.30

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Solution

The fourth proportional to 111,619.44, 154,030.86 and 60,630.30 is: 83,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,619.44 : 154,030.86 = 60,630.30 : x
  2. Step 2: Convert to fraction form
    111,619.44/154,030.86 = 60,630.30/x
  3. Step 3: Cross multiply
    111,619.44x = 154,030.86 × 60,630.30
  4. Step 4: Simplify right side
    111,619.44x = 9,338,937,251.06
  5. Step 5: Solve for x
    x = 9,338,937,251.06/111,619.44
  6. Step 6: Final answer
    x = 83,667.66

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1.5x scale

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.