Home / 86,410.64-119,280.12-67,553.84

Finding the Fourth Proportional to 86,410.64, 119,280.12 and 67,553.84

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Solution

The fourth proportional to 86,410.64, 119,280.12 and 67,553.84 is: 93,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,410.64 : 119,280.12 = 67,553.84 : x
  2. Step 2: Convert to fraction form
    86,410.64/119,280.12 = 67,553.84/x
  3. Step 3: Cross multiply
    86,410.64x = 119,280.12 × 67,553.84
  4. Step 4: Simplify right side
    86,410.64x = 8,057,830,141.66
  5. Step 5: Solve for x
    x = 8,057,830,141.66/86,410.64
  6. Step 6: Final answer
    x = 93,250.44

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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.