Home / 74,646.90-103,010.94-42,813.77

Finding the Fourth Proportional to 74,646.90, 103,010.94 and 42,813.77

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Solution

The fourth proportional to 74,646.90, 103,010.94 and 42,813.77 is: 59,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,646.90 : 103,010.94 = 42,813.77 : x
  2. Step 2: Convert to fraction form
    74,646.90/103,010.94 = 42,813.77/x
  3. Step 3: Cross multiply
    74,646.90x = 103,010.94 × 42,813.77
  4. Step 4: Simplify right side
    74,646.90x = 4,410,286,177.59
  5. Step 5: Solve for x
    x = 4,410,286,177.59/74,646.90
  6. Step 6: Final answer
    x = 59,081.97

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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.