Home / 111,395.49-153,726.96-60,408.32

Finding the Fourth Proportional to 111,395.49, 153,726.96 and 60,408.32

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Solution

The fourth proportional to 111,395.49, 153,726.96 and 60,408.32 is: 83,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,395.49 : 153,726.96 = 60,408.32 : x
  2. Step 2: Convert to fraction form
    111,395.49/153,726.96 = 60,408.32/x
  3. Step 3: Cross multiply
    111,395.49x = 153,726.96 × 60,408.32
  4. Step 4: Simplify right side
    111,395.49x = 9,286,386,850.20
  5. Step 5: Solve for x
    x = 9,286,386,850.20/111,395.49
  6. Step 6: Final answer
    x = 83,364.12

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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.