Home / 111,520.32-153,898.40-60,533.09

Finding the Fourth Proportional to 111,520.32, 153,898.40 and 60,533.09

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Solution

The fourth proportional to 111,520.32, 153,898.40 and 60,533.09 is: 83,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520.32 : 153,898.40 = 60,533.09 : x
  2. Step 2: Convert to fraction form
    111,520.32/153,898.40 = 60,533.09/x
  3. Step 3: Cross multiply
    111,520.32x = 153,898.40 × 60,533.09
  4. Step 4: Simplify right side
    111,520.32x = 9,315,945,395.39
  5. Step 5: Solve for x
    x = 9,315,945,395.39/111,520.32
  6. Step 6: Final answer
    x = 83,535.86

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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.