Home / 111,528.06-153,911.42-60,542.88

Finding the Fourth Proportional to 111,528.06, 153,911.42 and 60,542.88

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Solution

The fourth proportional to 111,528.06, 153,911.42 and 60,542.88 is: 83,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,528.06 : 153,911.42 = 60,542.88 : x
  2. Step 2: Convert to fraction form
    111,528.06/153,911.42 = 60,542.88/x
  3. Step 3: Cross multiply
    111,528.06x = 153,911.42 × 60,542.88
  4. Step 4: Simplify right side
    111,528.06x = 9,318,240,631.69
  5. Step 5: Solve for x
    x = 9,318,240,631.69/111,528.06
  6. Step 6: Final answer
    x = 83,550.64

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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.