Home / 86,834.30-119,832.18-51,025.10

Finding the Fourth Proportional to 86,834.30, 119,832.18 and 51,025.10

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Solution

The fourth proportional to 86,834.30, 119,832.18 and 51,025.10 is: 70,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,834.30 : 119,832.18 = 51,025.10 : x
  2. Step 2: Convert to fraction form
    86,834.30/119,832.18 = 51,025.10/x
  3. Step 3: Cross multiply
    86,834.30x = 119,832.18 × 51,025.10
  4. Step 4: Simplify right side
    86,834.30x = 6,114,448,967.72
  5. Step 5: Solve for x
    x = 6,114,448,967.72/86,834.30
  6. Step 6: Final answer
    x = 70,415.14

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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.