Home / 111,126.17-153,352.91-60,137.77

Finding the Fourth Proportional to 111,126.17, 153,352.91 and 60,137.77

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Solution

The fourth proportional to 111,126.17, 153,352.91 and 60,137.77 is: 82,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,126.17 : 153,352.91 = 60,137.77 : x
  2. Step 2: Convert to fraction form
    111,126.17/153,352.91 = 60,137.77/x
  3. Step 3: Cross multiply
    111,126.17x = 153,352.91 × 60,137.77
  4. Step 4: Simplify right side
    111,126.17x = 9,222,301,797.37
  5. Step 5: Solve for x
    x = 9,222,301,797.37/111,126.17
  6. Step 6: Final answer
    x = 82,989.47

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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.