Home / 111,525.68-153,908.52-63,123.76

Finding the Fourth Proportional to 111,525.68, 153,908.52 and 63,123.76

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Solution

The fourth proportional to 111,525.68, 153,908.52 and 63,123.76 is: 87,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,525.68 : 153,908.52 = 63,123.76 : x
  2. Step 2: Convert to fraction form
    111,525.68/153,908.52 = 63,123.76/x
  3. Step 3: Cross multiply
    111,525.68x = 153,908.52 × 63,123.76
  4. Step 4: Simplify right side
    111,525.68x = 9,715,284,478.44
  5. Step 5: Solve for x
    x = 9,715,284,478.44/111,525.68
  6. Step 6: Final answer
    x = 87,112.53

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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.