Home / 84,482.30-116,585.27-45,720.05

Finding the Fourth Proportional to 84,482.30, 116,585.27 and 45,720.05

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Solution

The fourth proportional to 84,482.30, 116,585.27 and 45,720.05 is: 63,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482.30 : 116,585.27 = 45,720.05 : x
  2. Step 2: Convert to fraction form
    84,482.30/116,585.27 = 45,720.05/x
  3. Step 3: Cross multiply
    84,482.30x = 116,585.27 × 45,720.05
  4. Step 4: Simplify right side
    84,482.30x = 5,330,284,373.66
  5. Step 5: Solve for x
    x = 5,330,284,373.66/84,482.30
  6. Step 6: Final answer
    x = 63,093.50

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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.