Home / 106,784.08-147,362.28-61,464.88

Finding the Fourth Proportional to 106,784.08, 147,362.28 and 61,464.88

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Solution

The fourth proportional to 106,784.08, 147,362.28 and 61,464.88 is: 84,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,784.08 : 147,362.28 = 61,464.88 : x
  2. Step 2: Convert to fraction form
    106,784.08/147,362.28 = 61,464.88/x
  3. Step 3: Cross multiply
    106,784.08x = 147,362.28 × 61,464.88
  4. Step 4: Simplify right side
    106,784.08x = 9,057,604,856.73
  5. Step 5: Solve for x
    x = 9,057,604,856.73/106,784.08
  6. Step 6: Final answer
    x = 84,821.68

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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.