Home / 111,542.30-153,956.78-63,810.62

Finding the Fourth Proportional to 111,542.30, 153,956.78 and 63,810.62

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Solution

The fourth proportional to 111,542.30, 153,956.78 and 63,810.62 is: 88,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,542.30 : 153,956.78 = 63,810.62 : x
  2. Step 2: Convert to fraction form
    111,542.30/153,956.78 = 63,810.62/x
  3. Step 3: Cross multiply
    111,542.30x = 153,956.78 × 63,810.62
  4. Step 4: Simplify right side
    111,542.30x = 9,824,077,585.00
  5. Step 5: Solve for x
    x = 9,824,077,585.00/111,542.30
  6. Step 6: Final answer
    x = 88,074.91

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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.