Home / 106,782.08-147,359.52-61,462.88

Finding the Fourth Proportional to 106,782.08, 147,359.52 and 61,462.88

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Solution

The fourth proportional to 106,782.08, 147,359.52 and 61,462.88 is: 84,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,782.08 : 147,359.52 = 61,462.88 : x
  2. Step 2: Convert to fraction form
    106,782.08/147,359.52 = 61,462.88/x
  3. Step 3: Cross multiply
    106,782.08x = 147,359.52 × 61,462.88
  4. Step 4: Simplify right side
    106,782.08x = 9,057,140,494.62
  5. Step 5: Solve for x
    x = 9,057,140,494.62/106,782.08
  6. Step 6: Final answer
    x = 84,818.92

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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.