Home / 90,005.99-124,223.42-52,302.11

Finding the Fourth Proportional to 90,005.99, 124,223.42 and 52,302.11

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Solution

The fourth proportional to 90,005.99, 124,223.42 and 52,302.11 is: 72,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,005.99 : 124,223.42 = 52,302.11 : x
  2. Step 2: Convert to fraction form
    90,005.99/124,223.42 = 52,302.11/x
  3. Step 3: Cross multiply
    90,005.99x = 124,223.42 × 52,302.11
  4. Step 4: Simplify right side
    90,005.99x = 6,497,146,487.05
  5. Step 5: Solve for x
    x = 6,497,146,487.05/90,005.99
  6. Step 6: Final answer
    x = 72,185.72

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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.