Home / 75,068.40-103,545.36-48,168.24

Finding the Fourth Proportional to 75,068.40, 103,545.36 and 48,168.24

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Solution

The fourth proportional to 75,068.40, 103,545.36 and 48,168.24 is: 66,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.40 : 103,545.36 = 48,168.24 : x
  2. Step 2: Convert to fraction form
    75,068.40/103,545.36 = 48,168.24/x
  3. Step 3: Cross multiply
    75,068.40x = 103,545.36 × 48,168.24
  4. Step 4: Simplify right side
    75,068.40x = 4,987,597,751.37
  5. Step 5: Solve for x
    x = 4,987,597,751.37/75,068.40
  6. Step 6: Final answer
    x = 66,440.71

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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.