Home / 88,509.88-122,139.30-48,223.36

Finding the Fourth Proportional to 88,509.88, 122,139.30 and 48,223.36

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Solution

The fourth proportional to 88,509.88, 122,139.30 and 48,223.36 is: 66,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,509.88 : 122,139.30 = 48,223.36 : x
  2. Step 2: Convert to fraction form
    88,509.88/122,139.30 = 48,223.36/x
  3. Step 3: Cross multiply
    88,509.88x = 122,139.30 × 48,223.36
  4. Step 4: Simplify right side
    88,509.88x = 5,889,967,434.05
  5. Step 5: Solve for x
    x = 5,889,967,434.05/88,509.88
  6. Step 6: Final answer
    x = 66,545.88

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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.