Home / 84,135.12-116,102.28-46,408.40

Finding the Fourth Proportional to 84,135.12, 116,102.28 and 46,408.40

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Solution

The fourth proportional to 84,135.12, 116,102.28 and 46,408.40 is: 64,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,135.12 : 116,102.28 = 46,408.40 : x
  2. Step 2: Convert to fraction form
    84,135.12/116,102.28 = 46,408.40/x
  3. Step 3: Cross multiply
    84,135.12x = 116,102.28 × 46,408.40
  4. Step 4: Simplify right side
    84,135.12x = 5,388,121,051.15
  5. Step 5: Solve for x
    x = 5,388,121,051.15/84,135.12
  6. Step 6: Final answer
    x = 64,041.28

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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.