Home / 99,017.94-136,632.48-63,228.90

Finding the Fourth Proportional to 99,017.94, 136,632.48 and 63,228.90

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Solution

The fourth proportional to 99,017.94, 136,632.48 and 63,228.90 is: 87,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.94 : 136,632.48 = 63,228.90 : x
  2. Step 2: Convert to fraction form
    99,017.94/136,632.48 = 63,228.90/x
  3. Step 3: Cross multiply
    99,017.94x = 136,632.48 × 63,228.90
  4. Step 4: Simplify right side
    99,017.94x = 8,639,121,414.67
  5. Step 5: Solve for x
    x = 8,639,121,414.67/99,017.94
  6. Step 6: Final answer
    x = 87,248.04

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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.