Home / 111,507.45-153,879.03-60,520.29

Finding the Fourth Proportional to 111,507.45, 153,879.03 and 60,520.29

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Solution

The fourth proportional to 111,507.45, 153,879.03 and 60,520.29 is: 83,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,507.45 : 153,879.03 = 60,520.29 : x
  2. Step 2: Convert to fraction form
    111,507.45/153,879.03 = 60,520.29/x
  3. Step 3: Cross multiply
    111,507.45x = 153,879.03 × 60,520.29
  4. Step 4: Simplify right side
    111,507.45x = 9,312,803,520.52
  5. Step 5: Solve for x
    x = 9,312,803,520.52/111,507.45
  6. Step 6: Final answer
    x = 83,517.32

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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.