Home / 74,435.67-102,725.82-42,603.84

Finding the Fourth Proportional to 74,435.67, 102,725.82 and 42,603.84

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Solution

The fourth proportional to 74,435.67, 102,725.82 and 42,603.84 is: 58,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.67 : 102,725.82 = 42,603.84 : x
  2. Step 2: Convert to fraction form
    74,435.67/102,725.82 = 42,603.84/x
  3. Step 3: Cross multiply
    74,435.67x = 102,725.82 × 42,603.84
  4. Step 4: Simplify right side
    74,435.67x = 4,376,514,399.15
  5. Step 5: Solve for x
    x = 4,376,514,399.15/74,435.67
  6. Step 6: Final answer
    x = 58,795.93

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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.