Home / 78,572.45-108,431.03-44,578.37

Finding the Fourth Proportional to 78,572.45, 108,431.03 and 44,578.37

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Solution

The fourth proportional to 78,572.45, 108,431.03 and 44,578.37 is: 61,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,572.45 : 108,431.03 = 44,578.37 : x
  2. Step 2: Convert to fraction form
    78,572.45/108,431.03 = 44,578.37/x
  3. Step 3: Cross multiply
    78,572.45x = 108,431.03 × 44,578.37
  4. Step 4: Simplify right side
    78,572.45x = 4,833,678,957.34
  5. Step 5: Solve for x
    x = 4,833,678,957.34/78,572.45
  6. Step 6: Final answer
    x = 61,518.75

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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.