Home / 99,328.24-137,004.96-63,502.84

Finding the Fourth Proportional to 99,328.24, 137,004.96 and 63,502.84

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Solution

The fourth proportional to 99,328.24, 137,004.96 and 63,502.84 is: 87,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.24 : 137,004.96 = 63,502.84 : x
  2. Step 2: Convert to fraction form
    99,328.24/137,004.96 = 63,502.84/x
  3. Step 3: Cross multiply
    99,328.24x = 137,004.96 × 63,502.84
  4. Step 4: Simplify right side
    99,328.24x = 8,700,204,054.09
  5. Step 5: Solve for x
    x = 8,700,204,054.09/99,328.24
  6. Step 6: Final answer
    x = 87,590.44

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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.