Home / 75,455.16-113,095.25-71,081.16

Finding the Fourth Proportional to 75,455.16, 113,095.25 and 71,081.16

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Solution

The fourth proportional to 75,455.16, 113,095.25 and 71,081.16 is: 106,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.16 : 113,095.25 = 71,081.16 : x
  2. Step 2: Convert to fraction form
    75,455.16/113,095.25 = 71,081.16/x
  3. Step 3: Cross multiply
    75,455.16x = 113,095.25 × 71,081.16
  4. Step 4: Simplify right side
    75,455.16x = 8,038,941,738.19
  5. Step 5: Solve for x
    x = 8,038,941,738.19/75,455.16
  6. Step 6: Final answer
    x = 106,539.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.