Home / 74,460.69-102,756-42,629.85

Finding the Fourth Proportional to 74,460.69, 102,756 and 42,629.85

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Solution

The fourth proportional to 74,460.69, 102,756 and 42,629.85 is: 58,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.69 : 102,756 = 42,629.85 : x
  2. Step 2: Convert to fraction form
    74,460.69/102,756 = 42,629.85/x
  3. Step 3: Cross multiply
    74,460.69x = 102,756 × 42,629.85
  4. Step 4: Simplify right side
    74,460.69x = 4,380,472,866.60
  5. Step 5: Solve for x
    x = 4,380,472,866.60/74,460.69
  6. Step 6: Final answer
    x = 58,829.33

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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.